{"title":"Bahtinov Masks for telescopes","description":"\u003cp\u003eBrowse our Bahtinov Masks for telescopes collection. Free Shipping.\u003c\/p\u003e","products":[{"product_id":"buckeye-tribahtinov-mask-for-collimation-and-focus","title":"Buckeye TriBahtinov Mask for Collimation and Focus","description":"\u003ch2\u003e\u003cspan data-mce-fragment=\"1\"\u003eBuckeye Stargazer TriBahtinov Mask for Collimation and Focus\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eA TriBahtinov mask operates under the same principle as the Bahtinov mask for focusing and adds the ability to collimate scopes with collimatable optics.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe design is based on Cytan’s idea, documented on his Github site \u003c\/span\u003ehere\u003cspan data-mce-fragment=\"1\"\u003e, and the sketch was made using Satoru Takagi’s \u003c\/span\u003eMask Generator\u003cspan data-mce-fragment=\"1\"\u003e.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe mask has a raised center for an easy grip and comes in three sections that snap fit together and can be taken apart for easier storage (C5 is one piece, 14″ and larger are 6 sections).\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003ePrinted in durable, temperature tolerant PETG filament.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan data-mce-fragment=\"1\"\u003eCompatibility:\u003c\/span\u003e\u003c\/h4\u003e\n\u003cstyle type=\"text\/css\"\u003e\u003c!--\ntd {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}\n--\u003e\u003c\/style\u003e\n\u003ctable xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" cellspacing=\"0\" cellpadding=\"0\" dir=\"ltr\" border=\"1\"\u003e\n\u003ccolgroup\u003e \u003ccol width=\"181\"\u003e \u003ccol width=\"434\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-C5\"}'\u003eTriBahtinov-C5\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron C5\"}'\u003eTriBahtinov Mask Celestron C5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-C8-NF\"}'\u003eTriBahtinov-C8-NF\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron C8 (non-Fastar, pre-1998)\"}'\u003eTriBahtinov Mask Celestron C8 (non-Fastar, pre-1998)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-C9.25-NF\"}'\u003eTriBahtinov-C9.25-NF\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron C9.25 (non-Fastar, pre-1998)\"}'\u003eTriBahtinov Mask Celestron C9.25 (non-Fastar, pre-1998)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-CClassic8\"}'\u003eTriBahtinov-CClassic8\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron \\\"Classic 8\\\"\"}'\u003eTriBahtinov Mask Celestron \"Classic 8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-C14-NF\"}'\u003eTriBahtinov-C14-NF\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron C14 (non-Fastar)\"}'\u003eTriBahtinov Mask Celestron C14 (non-Fastar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-CCometCatcher\"}'\u003eTriBahtinov-CCometCatcher\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron Comet Catcher (black tube)\"}'\u003eTriBahtinov Mask Celestron Comet Catcher (black tube)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-C6\"}'\u003eTriBahtinov-C6\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron C6\"}'\u003eTriBahtinov Mask Celestron C6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-C8\"}'\u003eTriBahtinov-C8\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron C8 (including Ultima 2000)\"}'\u003eTriBahtinov Mask Celestron C8 (including Ultima 2000)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-C9.25\"}'\u003eTriBahtinov-C9.25\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron C9.25\"}'\u003eTriBahtinov Mask Celestron C9.25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-C11\"}'\u003eTriBahtinov-C11\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron C11\"}'\u003eTriBahtinov Mask Celestron C11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-C14 \"}'\u003eTriBahtinov-C14\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron C14  \"}'\u003eTriBahtinov Mask Celestron C14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-RASA8\"}'\u003eTriBahtinov-RASA8\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron RASA 8\"}'\u003eTriBahtinov Mask Celestron RASA 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-RASA11\"}'\u003eTriBahtinov-RASA11\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Celestron RASA 11\"}'\u003eTriBahtinov Mask Celestron RASA 11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M8\"}'\u003eTriBahtinov-M8\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 8\\\" LX200\/LX200GPS\/LX90\/LX90GPS\/LX50\/Model 2080 (F10)\"}'\u003eTriBahtinov Mask Meade 8\" LX200\/LX200GPS\/LX90\/LX90GPS\/LX50\/Model 2080 (F10)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M8F6.3\"}'\u003eTriBahtinov-M8F6.3\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 8\\\" Model 2080 (F6.3)\"}'\u003eTriBahtinov Mask Meade 8\" Model 2080 (F6.3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M8LXACF\"}'\u003eTriBahtinov-M8LXACF\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 8\\\" LX90ACF\/LX200ACF\/LS8ACF\"}'\u003eTriBahtinov Mask Meade 8\" LX90ACF\/LX200ACF\/LS8ACF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M10\"}'\u003eTriBahtinov-M10\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 10\\\" LX200\/LX200GPS\/LX90\/LX90GPS\/LX50\/Model 2120\"}'\u003eTriBahtinov Mask Meade 10\" LX200\/LX200GPS\/LX90\/LX90GPS\/LX50\/Model 2120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M10LXF6.3\"}'\u003eTriBahtinov-M10LXF6.3\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 10\\\" LX200 F6.3\"}'\u003eTriBahtinov Mask Meade 10\" LX200 F6.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M10LXACF\"}'\u003eTriBahtinov-M10LXACF\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 10\\\" LX90ACF\/LX200ACF\"}'\u003eTriBahtinov Mask Meade 10\" LX90ACF\/LX200ACF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M10LX600-850\"}'\u003eTriBahtinov-M10LX600-850\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 10\\\" LX600ACF\/LX850ACF\"}'\u003eTriBahtinov Mask Meade 10\" LX600ACF\/LX850ACF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M10LXEMC\"}'\u003eTriBahtinov-M10LXEMC\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 10\\\" LX200 EMC\"}'\u003eTriBahtinov Mask Meade 10\" LX200 EMC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M12LX200\"}'\u003eTriBahtinov-M12LX200\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 12\\\" LX200\/LX200GPS\"}'\u003eTriBahtinov Mask Meade 12\" LX200\/LX200GPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M12LX850\"}'\u003eTriBahtinov-M12LX850\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 12\\\" LX850 F8\"}'\u003eTriBahtinov Mask Meade 12\" LX850 F8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M14LX200\"}'\u003eTriBahtinov-M14LX200\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 14\\\" LX200\/LX200GPS\"}'\u003eTriBahtinov Mask Meade 14\" LX200\/LX200GPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M14LXACF\"}'\u003eTriBahtinov-M14LXACF\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 14\\\" LX200ACF\"}'\u003eTriBahtinov Mask Meade 14\" LX200ACF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M16LX200\"}'\u003eTriBahtinov-M16LX200\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 16\\\" LX200\/LX200GPS\"}'\u003eTriBahtinov Mask Meade 16\" LX200\/LX200GPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-M16LXACF-F8\"}'\u003eTriBahtinov-M16LXACF-F8\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 16\\\" F8 LX200ACF\"}'\u003eTriBahtinov Mask Meade 16\" F8 LX200ACF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-GSO8N\"}'\u003eTriBahtinov-GSO8N\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask 8\\\" GSO F4 Newtonian (Astro-Tech, TPO, iOptron, Orion, etc.)\"}'\u003eTriBahtinov Mask 8\" GSO F4 Newtonian (Astro-Tech, TPO, iOptron, Orion, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-GSO6RC\"}'\u003eTriBahtinov-GSO6RC\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Tribahtinov Mask 6\\\" GSO RC (Astro-Tech, TPO, iOptron, Orion, etc.)\"}'\u003eTribahtinov Mask 6\" GSO RC (Astro-Tech, TPO, iOptron, Orion, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-GSO8RC\"}'\u003eTriBahtinov-GSO8RC\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask 8\\\" GSO RC (Astro-Tech, TPO, iOptron, Orion, etc.)\"}'\u003eTriBahtinov Mask 8\" GSO RC (Astro-Tech, TPO, iOptron, Orion, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-GSO10RC\"}'\u003eTriBahtinov-GSO10RC\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask 10\\\" GSO RC, Closed Tube (Astro-Tech, TPO, iOptron, Orion, etc.)\"}' data-sheets-textstyleruns='{\"1\":0}{\"1\":29,\"2\":{\"2\":{\"1\":2,\"2\":16711680},\"3\":\"Calibri\",\"4\":11}}{\"1\":40,\"2\":{\"2\":{\"1\":3,\"3\":1},\"3\":\"Calibri\",\"4\":11}}'\u003e\n\u003cspan\u003eTriBahtinov Mask 10\" GSO RC, \u003c\/span\u003e\u003cspan\u003eClosed Tube\u003c\/span\u003e\u003cspan\u003e (Astro-Tech, TPO, iOptron, Orion, etc.)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-GSO10RCT\"}'\u003eTriBahtinov-GSO10RCT\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask 10\\\" GSO RC, TRUSS TUBE (Astro-tech, TPO, iOptron, Orion, etc.)\"}'\u003eTriBahtinov Mask 10\" GSO RC, TRUSS TUBE (Astro-tech, TPO, iOptron, Orion, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-GSO12RCT\"}'\u003eTriBahtinov-GSO12RCT\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask 12\\\" GSO RC, TRUSS TUBE (Astro-Tech, TPO, iOptron, Orion, etc.)\"}'\u003eTriBahtinov Mask 12\" GSO RC, TRUSS TUBE (Astro-Tech, TPO, iOptron, Orion, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-GSO14RC\"}'\u003eTriBahtinov-GSO14RC\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask 14\\\" GSO RC Truss (Astro-Tech, TPO,iOptron, Orion, etc.)\"}'\u003eTriBahtinov Mask 14\" GSO RC Truss (Astro-Tech, TPO,iOptron, Orion, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-GSO16RC\"}'\u003eTriBahtinov-GSO16RC\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask 16\\\" GSO RC (Astro-Tech, TPO, iOptron, Orion, etc.)\"}'\u003eTriBahtinov Mask 16\" GSO RC (Astro-Tech, TPO, iOptron, Orion, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-GSO8CC\"}'\u003eTriBahtinov-GSO8CC\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask 10\\\" GSO CC (Astro-Tech, TPO, iOptron, Orion, etc.)\"}'\u003eTriBahtinov Mask 10\" GSO CC (Astro-Tech, TPO, iOptron, Orion, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-BressMN152\"}'\u003eTriBahtinov-BressMN152\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Bresser Messier Mak Newt 152\"}'\u003eTriBahtinov Mask Bresser Messier Mak Newt 152\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-ESDOB1245\"}'\u003eTriBahtinov-ESDOB1245\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Explore Scientific 12\\\" Dob (DOB1245)\"}'\u003eTriBahtinov Mask Explore Scientific 12\" Dob (DOB1245)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-MSN10\"}'\u003eTriBahtinov-MSN10\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Meade 10\\\" Schmidt-Newtonian\"}'\u003eTriBahtinov Mask Meade 10\" Schmidt-Newtonian\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-VMC200L\"}'\u003eTriBahtinov-VMC200L\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask Vixen VMC200L\"}'\u003eTriBahtinov Mask Vixen VMC200L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-CFF250RC\"}'\u003eTriBahtinov-CFF250RC\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov Mask CFF 250mm RC\"}'\u003eTriBahtinov Mask CFF 250mm RC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"TriBahtinov-ODOBXT12\"}'\u003eTriBahtinov-ODOBXT12\u003c\/td\u003e\n\u003ctd 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height: 19.5938px;\"\u003eFunction\u003c\/td\u003e\n\u003ctd style=\"width: 80.5609%; height: 19.5938px;\"\u003eOptical focusing aid using diffraction spikes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 16.582%; height: 19.5938px;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"width: 80.5609%; height: 19.5938px;\"\u003eVisual observation and astrophotography\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 16.582%; height: 19.5938px;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"width: 80.5609%; height: 19.5938px;\"\u003eRefractor, reflector, and catadioptric telescopes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 16.582%; height: 19.5938px;\"\u003eFit Method\u003c\/td\u003e\n\u003ctd style=\"width: 80.5609%; height: 19.5938px;\"\u003eSized by telescope outer diameter \/ dew shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 16.582%; height: 19.5938px;\"\u003eSize Variants\u003c\/td\u003e\n\u003ctd style=\"width: 80.5609%; height: 19.5938px;\"\u003eMultiple OD ranges to match different telescopes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 16.582%; height: 19.5938px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"width: 80.5609%; height: 19.5938px;\"\u003eLightweight plastic or laser-cut polymer (varies by version)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 16.582%; height: 19.5938px;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"width: 80.5609%; height: 19.5938px;\"\u003eClamp-on \/ screw or strap-based attachment depending on variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 16.582%; height: 19.5938px;\"\u003eFeature\u003c\/td\u003e\n\u003ctd style=\"width: 80.5609%; height: 19.5938px;\"\u003eProduces central diffraction spike alignment for precise focus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 16.582%; height: 19.5938px;\"\u003eUse Case\u003c\/td\u003e\n\u003ctd style=\"width: 80.5609%; height: 19.5938px;\"\u003eBright star focusing for imaging and visual setup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1260\" data-start=\"1212\" data-section-id=\"1vxyq4r\"\u003eBahtinov focusing mask (selected size variant)\u003c\/li\u003e\n\u003cli data-end=\"1325\" data-start=\"1261\" data-section-id=\"e778l7\"\u003eMounting hardware (screws \/ clips \/ straps depending on model)\u003c\/li\u003e\n\u003cli data-end=\"1366\" data-start=\"1326\" data-section-id=\"1vl9kmm\"\u003eProtective packaging or storage sleeve\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003eAstronomy Plus limited Warranty\u003c\/p\u003e","brand":"Astronomy Plus","offers":[{"title":"60-90mm","offer_id":54347236376894,"sku":"nku1787947418566","price":13.46,"currency_code":"USD","in_stock":true},{"title":"80-110mm","offer_id":54347236409662,"sku":"nvf1787947418567","price":14.97,"currency_code":"USD","in_stock":true},{"title":"100-140mm","offer_id":54347236442430,"sku":"qvj1787947418568","price":16.14,"currency_code":"USD","in_stock":true},{"title":"140-180mm","offer_id":54347236475198,"sku":"ust1787947418569","price":13.66,"currency_code":"USD","in_stock":true},{"title":"180-220mm","offer_id":54347236507966,"sku":"yxu1787947418570","price":15.5,"currency_code":"USD","in_stock":true},{"title":"200-260mm","offer_id":54347236540734,"sku":"mhz1787947418571","price":19.16,"currency_code":"USD","in_stock":true},{"title":"230-290mm","offer_id":54347236573502,"sku":"xja1787947418572","price":20.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/3799\/9934\/files\/astronomy-plus-bahtinov-mask-ta403_1.jpg?v=1787947423"},{"product_id":"buckeye-tribahtinov-isolation-masks-for-focus-and-collimation","title":"Buckeye TriBahtinov Isolation Masks for Focus and Collimation","description":"\u003ch1\u003e\u003cspan\u003eBuckeye TriBahtinov Isolation Masks\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eA TriBahtinov mask aids in both focusing and collimating telescopes with collimatable optics.  When collimating, the TriBahtinov presents (3) triple diffraction lines, which results in what looks like six separate sections of three lines.  \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWhen paired with a  Buckeyestargazer TriBahtinov mask\u003c\/span\u003e\u003cspan\u003e, these TriBahtinov-Isolation masks isolate one section of the TriBahtinov, which aids in determining which collimation screw to adjust. \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e-Printed in durable, temperature tolerant PETG filament.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIn the Box\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e-\u003c\/span\u003e\u003cspan\u003eBuckeye TriBahtinov Isolation Masks\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWarranty \u0026amp; Manual\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eBuckeye Warranty\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Buckeye Stargazer","offers":[{"title":"Celestron 5\" SCTs (TriBahtinov-C5-ISO)","offer_id":54347236606270,"sku":"xja1787947418529","price":15.51,"currency_code":"USD","in_stock":true},{"title":"Celestron 6\" SCT (TriBahtinov-C6-ISO)","offer_id":54347236639038,"sku":"cym1787947418530","price":15.09,"currency_code":"USD","in_stock":true},{"title":"Celestron 8\" SCT (TriBahtinov-C8-ISO)","offer_id":54347236671806,"sku":"lfz1787947418531","price":18.27,"currency_code":"USD","in_stock":true},{"title":"Celestron 9.25\" SCT (TriBahtinov-C9.25-ISO)","offer_id":54347236704574,"sku":"lpo1787947418532","price":17.69,"currency_code":"USD","in_stock":true},{"title":"Celestron 11\" SCT (TriBahtinov-C11-ISO)","offer_id":54347236737342,"sku":"tae1787947418533","price":17.47,"currency_code":"USD","in_stock":true},{"title":"Celestron 14\" SCT (TriBahtinov-C14-ISO)","offer_id":54347236770110,"sku":"ggi1787947418534","price":25.84,"currency_code":"USD","in_stock":true},{"title":"Celestron RASA8 (TriBahtinov-RASA8-ISO)","offer_id":54347236802878,"sku":"dlu1787947418535","price":15.93,"currency_code":"USD","in_stock":true},{"title":"Celestron RASA11 (TriBahtinov-RASA11-ISO)","offer_id":54347236835646,"sku":"zhx1787947418536","price":21.14,"currency_code":"USD","in_stock":true},{"title":"Celestron \"Classic8\" (TriBahtinov-CClassic8-ISO)","offer_id":54347236868414,"sku":"foi1787947418537","price":15.93,"currency_code":"USD","in_stock":true},{"title":"Celestron 8\" SCT (non-Fastar\/Hyperstar)","offer_id":54347236901182,"sku":"ssu1787947418538","price":16.13,"currency_code":"USD","in_stock":true},{"title":"Celestron 9.25\" SCT (non-Fastar\/Hyperstar)","offer_id":54347236933950,"sku":"bvz1787947418539","price":15.23,"currency_code":"USD","in_stock":true},{"title":"Celestron 11\" SCT (non-Fastar\/Hyperstar)","offer_id":54347236966718,"sku":"wkk1787947418540","price":19.16,"currency_code":"USD","in_stock":true},{"title":"Celestron 14\" SCT (non-Fastar\/Hyperstar)","offer_id":54347236999486,"sku":"gtv1787947418541","price":23.85,"currency_code":"USD","in_stock":true},{"title":"Vixen VMC200L and VC200L (TriBahtinov-VMC200L-ISO)","offer_id":54347237032254,"sku":"jaf1787947418542","price":20.23,"currency_code":"USD","in_stock":true},{"title":"SkyWatcher 8\" Quattro 200P (TriBathinov-SW-8Q200P)","offer_id":54347237065022,"sku":"nzu1787947418543","price":15.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/3799\/9934\/files\/buckeye-tribahtinov-isolation-masks-for-focus-and-collimation_1.jpg?v=1787947423"},{"product_id":"buckeye-bahtinov-masks","title":"Buckeye Bahtinov Masks","description":"\u003ch1\u003eBuckeye Bahtinov Masks\u003c\/h1\u003e\n\u003cp\u003eA Bahtinov mask is used to find critical focus for just about any telescope.  \u003cbr\u003e\u003cbr\u003eI will custom design a mask to fit your needs and which is tailored to the scope's focal length.  Currently available models are listed below.   Masks 6\" and smaller are a one piece design.  Masks greater than 6\" are a sturdy two or four piece snap fit design. \u003cbr\u003e\u003cbr\u003ePlease note that I recommend my\u003cspan\u003e \u003c\/span\u003eTriBahtinov Masks for SCTs, RCs, CCs, Newts or other compound scopes which adds the ability to collimate as well as focus.  \u003c\/p\u003e\n\u003cp\u003e\u003cu\u003e\u003cb\u003eIf you don't see your scope listed below I will be happy to design a mask to meet your needs.\u003c\/b\u003e\u003c\/u\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eCompatibility Chart:\u003c\/b\u003e\u003c\/p\u003e\n\u003cstyle type=\"text\/css\"\u003e\u003c!--\ntd {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}\n--\u003e\u003c\/style\u003e\n\u003ctable border=\"1\" dir=\"ltr\" cellpadding=\"0\" cellspacing=\"0\" xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"width: 539px; height: 475px;\"\u003e\n\u003ccolgroup\u003e \u003ccol width=\"181\"\u003e \u003ccol width=\"434\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-Sharp76\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-Sharp76\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Sharpstar 76EDPH\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Sharpstar 76EDPH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-Esprit80ED\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-Esprit80ED\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Skywatcher Esprit 80ED\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Skywatcher Esprit 80ED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-Esprit100ED\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-Esprit100ED\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Skywatcher Esprit 100ED\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Skywatcher Esprit 100ED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-SV80ST\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-SV80ST\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Stellarvue SV80ST (102mm dew shield)\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Stellarvue SV80ST (102mm dew shield)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-BressMN152\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-BressMN152\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Bresser Messier MN152 Mak-Newt\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Bresser Messier MN152 Mak-Newt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-OXT10g\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-OXT10g\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Orion XT10G\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Orion XT10G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-MeadeETX90\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-MeadeETX90\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Meade ETX90\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Meade ETX90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-Radian61\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-Radian61\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Radian 61\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Radian 61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-Rokinon135mm\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-Rokinon135mm\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Rokinon 135mm f\/2 or compatible lenses\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Rokinon 135mm f\/2 or compatible lenses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-FSQ106N\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-FSQ106N\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Takahashi FSQ106-N\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Takahashi FSQ106-N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-TEC160FL\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-TEC160FL\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask TEC160-FL\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask TEC160-FL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-TMB130F6Class\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-TMB130F6Class\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask TMB 130mm F6 \\\"Classic\\\"\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask TMB 130mm F6 \"Classic\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-APStowaway\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-APStowaway\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Astro-Physics Stowaway\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Astro-Physics Stowaway\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-TVNP101is\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-TVNP101is\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask TeleVue NP101is\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask TeleVue NP101is\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-SW72ED\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-SW72ED\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Skywatcher 72ED\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Skywatcher 72ED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-SW100ED\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-SW100ED\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Skywatcher 100ED\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Skywatcher 100ED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-SVX102T\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-SVX102T\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Stellarvue SVX102T\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Stellarvue SVX102T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39px;\" data-mce-style=\"height: 39px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-Redcat51\"}' style=\"width: 165.938px; height: 39px;\" data-mce-style=\"width: 165.938px; height: 39px;\"\u003eBahtinov-Redcat51\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask William Optics Redcat 51 (slips onto dew shield)\"}' style=\"width: 374.062px; height: 39px;\" data-mce-style=\"width: 374.062px; height: 39px;\"\u003eBahtinov Mask William Optics Redcat 51 (slips onto dew shield)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39px;\" data-mce-style=\"height: 39px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-Redcat71\"}' style=\"width: 165.938px; height: 39px;\" data-mce-style=\"width: 165.938px; height: 39px;\"\u003eBahtinov-Redcat71\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask William Optics Redcat 71 (slips onto dew shield)\"}' style=\"width: 374.062px; height: 39px;\" data-mce-style=\"width: 374.062px; height: 39px;\"\u003eBahtinov Mask William Optics Redcat 71 (slips onto dew shield)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-Askar-ACL200\"}' style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-Askar-ACL200\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Askar ACL200 Lens\"}' style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Askar ACL200 Lens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 36px;\" data-mce-style=\"height: 36px;\"\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov-Askar-FRA500\"}' style=\"width: 165.938px; height: 36px;\" data-mce-style=\"width: 165.938px; height: 36px;\"\u003eBahtinov-Askar-FRA500\u003c\/td\u003e\n\u003ctd data-sheets-value='{\"1\":2,\"2\":\"Bahtinov Mask Askar FRA500\"}' style=\"width: 374.062px; height: 36px;\" data-mce-style=\"width: 374.062px; height: 36px;\"\u003e\n\u003cp\u003eBahtinov Mask Askar FRA500\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\" data-mce-style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 165.938px; height: 19px;\" data-mce-style=\"width: 165.938px; height: 19px;\"\u003eBahtinov-SVX130T\u003c\/td\u003e\n\u003ctd style=\"width: 374.062px; height: 19px;\" data-mce-style=\"width: 374.062px; height: 19px;\"\u003eBahtinov Mask Stellarvue SVX130T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 165px;\"\u003eBahtinov-AT65EDQ\u003c\/td\u003e\n\u003ctd width=\"435\" style=\"font-weight: 400; width: 374px;\"\u003eBahtinov Mask Astro-Tech 65EDQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"182\" style=\"font-weight: 400; width: 165px;\"\u003eBahtinov-AT102EDL\u003c\/td\u003e\n\u003ctd width=\"435\" style=\"font-weight: 400; width: 374px;\"\u003eBahtinov Mask Astro-Tech 102EDL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 165px;\" width=\"182\"\u003eBahtinov-AT125EDL\u003c\/td\u003e\n\u003ctd style=\"width: 374px;\" width=\"435\"\u003eBahtinov Mask Astro-Tech 125EDL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 165px;\" width=\"182\"\u003eBahtinov-Sharp61EDPHIII\u003c\/td\u003e\n\u003ctd style=\"width: 374px;\" width=\"435\"\u003eBahtinov Mask Sharpstar 61EDPHIII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eManuals \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow to achieve focus with a Bahtinov Mask:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003ePlace the Bahtinov Mask at the front of your telescope. \u003c\/li\u003e\n\u003cli\u003eAlign your telescope on a bright star.\u003c\/li\u003e\n\u003cli\u003eAdjust the focus of your telescope in order to achieve the perfect diffraction spikes. (see picture below)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/focus-800x450_480x480.webp?v=1682011418\" style=\"display: block; margin-left: auto; margin-right: auto;\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/focus-800x450.webp?v=1682011418\u0026amp;width=700\" data-mce-style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e","brand":"Buckeye Stargazer","offers":[{"title":"Sharp76","offer_id":54347237097790,"sku":"kcy1787947418434","price":13.53,"currency_code":"USD","in_stock":true},{"title":"Esprit80ED","offer_id":54347237130558,"sku":"ibh1787947418435","price":14.47,"currency_code":"USD","in_stock":true},{"title":"Esprit100ED","offer_id":54347237163326,"sku":"afu1787947418436","price":16.7,"currency_code":"USD","in_stock":true},{"title":"SV80ST","offer_id":54347237196094,"sku":"uhj1787947418437","price":14.84,"currency_code":"USD","in_stock":true},{"title":"BressMN152","offer_id":54347237228862,"sku":"fjd1787947418438","price":19.66,"currency_code":"USD","in_stock":true},{"title":"OXT10g","offer_id":54347237261630,"sku":"pje1787947418439","price":23.48,"currency_code":"USD","in_stock":true},{"title":"MeadeETX90","offer_id":54347237294398,"sku":"rmx1787947418440","price":15.93,"currency_code":"USD","in_stock":true},{"title":"Radian61","offer_id":54347237327166,"sku":"xsf1787947418441","price":14.09,"currency_code":"USD","in_stock":true},{"title":"Rokinon135mm","offer_id":54347237359934,"sku":"gtv1787947418442","price":11.84,"currency_code":"USD","in_stock":true},{"title":"FSQ106N","offer_id":54347237392702,"sku":"mhq1787947418443","price":16.22,"currency_code":"USD","in_stock":true},{"title":"TEC160FL","offer_id":54347237425470,"sku":"djd1787947418444","price":18.18,"currency_code":"USD","in_stock":true},{"title":"TMB130F6Class","offer_id":54347237458238,"sku":"bli1787947418445","price":17.65,"currency_code":"USD","in_stock":true},{"title":"APStowaway","offer_id":54347237491006,"sku":"zuq1787947418446","price":18.36,"currency_code":"USD","in_stock":true},{"title":"TVNP101is","offer_id":54347237523774,"sku":"qux1787947418447","price":17.65,"currency_code":"USD","in_stock":true},{"title":"SW72ED","offer_id":54347237556542,"sku":"ycy1787947418448","price":15.03,"currency_code":"USD","in_stock":true},{"title":"SW100ED","offer_id":54347237589310,"sku":"gii1787947418449","price":15.26,"currency_code":"USD","in_stock":true},{"title":"SVX102T","offer_id":54347237622078,"sku":"fkl1787947418450","price":14.55,"currency_code":"USD","in_stock":true},{"title":"Redcat51","offer_id":54347237654846,"sku":"iwy1787947418451","price":11.84,"currency_code":"USD","in_stock":true},{"title":"Redcat71","offer_id":54347237687614,"sku":"byd1787947418452","price":13.9,"currency_code":"USD","in_stock":true},{"title":"Askar-ACL200","offer_id":54347237720382,"sku":"emc1787947418453","price":11.27,"currency_code":"USD","in_stock":true},{"title":"Askar-FRA500","offer_id":54347237753150,"sku":"rov1787947418454","price":16.93,"currency_code":"USD","in_stock":true},{"title":"SvBony SV305 70mm","offer_id":54347237785918,"sku":"wmd1787947418455","price":11.84,"currency_code":"USD","in_stock":true},{"title":"Sharpstar 61EDPHIII","offer_id":54347237818686,"sku":"obv1787947418456","price":12.4,"currency_code":"USD","in_stock":true},{"title":"Stellarvue SVX130T","offer_id":54347237851454,"sku":"nie1787947418457","price":16.7,"currency_code":"USD","in_stock":true},{"title":"Astro-Tech 65EDQ","offer_id":54347237884222,"sku":"xve1787947418458","price":13.53,"currency_code":"USD","in_stock":true},{"title":"Astro-Tech 102EDL","offer_id":54347237916990,"sku":"yzg1787947418459","price":15.74,"currency_code":"USD","in_stock":true},{"title":"Astro-Tech 125EDL","offer_id":54347237949758,"sku":"cqq1787947418460","price":15.74,"currency_code":"USD","in_stock":true},{"title":"Svbony SV305 70mm f6","offer_id":54347237982526,"sku":"sdh1787947418461","price":12.21,"currency_code":"USD","in_stock":true},{"title":"Svbony 60mm Guide Scope","offer_id":54347238015294,"sku":"pva1787947418462","price":11.29,"currency_code":"USD","in_stock":true},{"title":"Orion-ED80","offer_id":54347238048062,"sku":"oxj1787947418463","price":18.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/3799\/9934\/files\/buckeye-bahtinov-masks_1.webp?v=1787947423"},{"product_id":"farpoint-camera-filter-bahtinov-mask","title":"Farpoint Camera Filter Bahtinov Mask","description":"\u003ch2\u003eFarpoint Camera Filter Bahtinov Mask\u003c\/h2\u003e\n\u003cp\u003e Farpoint 55mm Camera Filter Bahtinov Focus Mask is an ingenious new way to easily focus your DSLR camera, webcam or CCD camera for astrophotography. Pavel Bahtinov, a Russian amateur telescope maker and astronomer, created this simple, very intuitive method and the device has universally been named after him: The Bahtinov Mask.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThis Bahtinov Focus Mask snaps-in to your camera lenses that have 55mm filter threads.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThe Bahtinov focus technique works best with longer focal lengths and becomes less useful with shorter focal lengths. The practical useful limit is around 100mm focal length or longer.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e(Don’t confuse focal length and camera lens size).\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eFarpoint manufactures this “lifesaving” astrophotography tool out of virtually indestructible ABS plastic. In addition to Bahtinov masks for DSLR, webcam or CCD camera lenses, Farpoint also makes Bahtinov masks for telescopes.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eBahtinov Masks Are one of the best tools for manually focusing your telescope available to astrophotographers. In 2005, Pavel Bahtinov, a Russian amateur telescope maker and astronomer detailed a new way to easily focus your DSLR, CMOS or CCD camera for astrophotography by adding a mask that matches the diameter of your telescope.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eBahtinov mask are a less expensive method of getting focus on objects in the night sky compared to a standard motor focuser.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eWith the right mask and setup it’s easy to get crystal clear focus on a star in less than 90 seconds.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0567\/6639\/8617\/t\/3\/assets\/description_image_image001.gif?v=1621838940\" data-mce-fragment=\"1\" data-mce-src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0567\/6639\/8617\/t\/3\/assets\/description_image_image001.gif?v=1621838940\u0026amp;width=700\" width=\"240\" height=\"240\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eStar in focus via a Bahtinov mask\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cstrong\u003eHow it Works\u003c\/strong\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThe slits in the mask are the focus assist, when the star is in focus it will appear on your screen display as an “X” with a line through the center (see above).\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThese mask will work equally as well on the end of a scope or on the end of a dew shield on top of that the mask itself does not need to be perfected centered on the scope this is due to the angle of the slits themselves.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eSelect a bright star, this will be your guiding object. Place the Bahtinov focusing mask on your telescope’s lens and secure it into place using the provided rubber tabs.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThe slits in the mask design create a set of diffraction spikes on the star that will assist in the accuracy of our focus. It will appear on your DSLR display screen or computer as an “X” with a line through the center (when in focus).\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eAs you adjust the focuser of your telescope, the central spike will move in and out of the X-pattern. If you are using capture software be sure to compensate for the lag time between exposures on the screen, typically 4-5 seconds.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThe same process applies using Live view display on your DSLR camera. The difference is, the image will be much dimmer, as you are essentially looking at a live video feed rather than a short image exposure.\u003cbr data-mce-fragment=\"1\"\u003e\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eIn the Box\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFarpoint Camera Filter Bahtinov Mask\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eWarranty \u0026amp; Manuals\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFarpoint 1-Year Warranty\u003c\/p\u003e","brand":"Farpoint","offers":[{"title":"52 mm","offer_id":54347238932798,"sku":"mke1787947441554","price":10.4,"currency_code":"USD","in_stock":true},{"title":"55 mm","offer_id":54347238965566,"sku":"jhz1787947441555","price":12.35,"currency_code":"USD","in_stock":true},{"title":"58 mm","offer_id":54347238998334,"sku":"wmj1787947441556","price":4.63,"currency_code":"USD","in_stock":true},{"title":"62 mm","offer_id":54347239031102,"sku":"sos1787947441557","price":8.23,"currency_code":"USD","in_stock":true},{"title":"67 mm","offer_id":54347239063870,"sku":"cju1787947441558","price":13.18,"currency_code":"USD","in_stock":true},{"title":"72 mm","offer_id":54347239096638,"sku":"axt1787947441559","price":4.48,"currency_code":"USD","in_stock":true},{"title":"77 mm","offer_id":54347239129406,"sku":"vjz1787947441560","price":13.18,"currency_code":"USD","in_stock":true},{"title":"82 mm","offer_id":54347239162174,"sku":"pts1787947441561","price":9.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/3799\/9934\/files\/farpoint-camera-filter-bahtinov-mask_1.webp?v=1787947446"}],"url":"https:\/\/www.honeyandhearth.shop\/collections\/bahtinov-masks-for-telescopes.oembed","provider":"My Store","version":"1.0","type":"link"}