{"title":"Bahtinov Focus \u0026 Collimation Masks","description":"\u003cp\u003eUse a Bahtinov mask to dial in telescope focus on a bright star, or choose a Tri-Bahtinov mask to evaluate focus and collimation. The rotating isolation mask helps inspect one Tri-Bahtinov sector at a time.\u003c\/p\u003e\u003cp\u003eEach mask is made to order for the telescope model you select.\u003c\/p\u003e","products":[{"product_id":"sgw-bahtinov","title":"Telescope Bahtinov Focusing Mask","description":"\u003cp\u003eTake the guesswork out of focusing on a bright star. This Bahtinov mask fits your telescope directly or the matching StargazeWorks shield.\u003c\/p\u003e\u003ch2\u003eWhat’s included\u003c\/h2\u003e\u003cp\u003eIncludes one Bahtinov focusing mask. Shield, other masks and dust cap are sold separately.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eBahtinov focusing mask:\u003c\/strong\u003e Creates a diffraction pattern on a bright star to help you find focus.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eOne system. With or without the shield.\u003c\/h2\u003e\u003cp\u003eThe masks and dust cap fit both your telescope directly and the matching StargazeWorks dew shield. Choose pieces for the same telescope model and use the setup that suits your session.\u003c\/p\u003e\u003ch2\u003eBuild your setup\u003c\/h2\u003e\u003cp\u003eChoosing a focusing mask or building a fuller setup? Read the \u003ca href=\"\/pages\/telescope-accessory-guide\"\u003etelescope accessory guide\u003c\/a\u003e, compare \u003ca href=\"\/collections\/telescope-dew-shields\"\u003edew shields\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/telescope-accessory-kits\"\u003ematched accessory kits\u003c\/a\u003e. Choose the same telescope model for every matching part.\u003c\/p\u003e\u003ch2\u003eHow to use it\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose your setup:\u003c\/strong\u003e Use the focusing mask directly on your telescope or in the matching StargazeWorks shield.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFind focus:\u003c\/strong\u003e Point at a bright star and adjust focus while watching the diffraction pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart observing:\u003c\/strong\u003e Remove the focusing mask before observing or imaging.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eChoose your telescope model\u003c\/h2\u003e\u003cp\u003eChoose the full telescope model name, then your color. Similar apertures can have different fittings. Sky-Watcher Explorer 150P \/ 150PDS and Quattro 150P use different parts; select the one you own. Contact us if your model is unclear or not listed.\u003c\/p\u003e\u003ch2\u003ePrinted to order\u003c\/h2\u003e\u003cp\u003e3D printed to order in carbon-fiber-reinforced PETG (CF-PETG). The finish retains fine print layer lines. Shape and size vary by telescope model; product photos and renders show examples.\u003c\/p\u003e\u003ch2\u003eQuestions about your telescope?\u003c\/h2\u003e\u003cp\u003eTell us your model, which StargazeWorks parts you already have, and what you want to do. We can help you choose the right pieces or check how your setup works together. Contact us before ordering.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eAsk a question.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eShipping\u003c\/h2\u003e\u003cp\u003eNormally dispatches in 1–3 business days. U.S. standard shipping is $8, or free on orders of $70 or more, with an estimated 3–5 business days in transit after dispatch. Express shipping is $15, with an estimated 1–2 business days in transit. Delivery estimates are shown at checkout.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/shipping-policy\"\u003eShipping details.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eHelp with the fit\u003c\/h2\u003e\u003cp\u003eIf a part does not fit the telescope model on your order, contact us within 30 days of delivery. Confirmed fit or manufacturing issues receive a replacement at no charge. The guarantee does not cover selecting the wrong telescope model.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/refund-policy\"\u003eFull fit and return policy.\u003c\/a\u003e\u003c\/p\u003e","brand":"StargazeWorks","offers":[{"title":"Meade ETX-90 Mak \/ Black","offer_id":48706681176318,"sku":"SW-BAHT-MEA-E90-BLK","price":15.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Brick Red","offer_id":48706681209086,"sku":"SW-BAHT-MEA-E90-RED","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Indigo Blue","offer_id":48706681241854,"sku":"SW-BAHT-MEA-E90-BLU","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Titan Gray","offer_id":48706681274622,"sku":"SW-BAHT-MEA-E90-GRY","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ Black","offer_id":48706681307390,"sku":"SW-BAHT-CEL-4SE-BLK","price":15.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ 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The masks and cap fit your telescope directly or the matching shield.\u003c\/p\u003e\u003ch2\u003eWhat’s included\u003c\/h2\u003e\u003cp\u003eIncludes the dew shield, tri-Bahtinov mask, isolation mask and dust cap. Spike masks are sold separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDew shield:\u003c\/strong\u003e Helps delay dew on exposed front optics and extends the telescope opening to accept matching masks and cap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTri-Bahtinov mask:\u003c\/strong\u003e Creates three diffraction patterns to help you judge focus and optical alignment on a bright star.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation mask:\u003c\/strong\u003e Used with the tri-Bahtinov mask to cover two sectors and examine one pattern at a time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust cap:\u003c\/strong\u003e Covers the telescope or matching shield between sessions to help keep dust off the front optics.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOne system. With or without the shield.\u003c\/h2\u003e\u003cp\u003eThe masks and dust cap fit both your telescope directly and the matching StargazeWorks dew shield. Choose pieces for the same telescope model and use the setup that suits your session.\u003c\/p\u003e\u003c!-- sgw-baffles-article:start --\u003e\u003ch2\u003eDealing with stray light?\u003c\/h2\u003e\u003cp\u003eNearby porch lights or streetlights can send unwanted reflections toward your optics. Choose the Premium version of this kit with internal baffles for added stray light control. \u003ca href=\"https:\/\/stargazeworks.com\/products\/sgw-bundle-complete-premium\"\u003eSee the Premium kit with stray light control\u003c\/a\u003e. Choose the same telescope model. \u003ca href=\"https:\/\/stargazeworks.com\/blogs\/news\/telescope-baffles-dew-shields-stray-light\"\u003eRead how telescope baffles work, with ray-tracing charts\u003c\/a\u003e.\u003c\/p\u003e\u003c!-- sgw-baffles-article:end --\u003e\u003ch2\u003eBuild your setup\u003c\/h2\u003e\u003cp\u003eCompare the standard system with Premium light-control options. Read the \u003ca href=\"\/pages\/telescope-accessory-guide\"\u003etelescope accessory guide\u003c\/a\u003e, compare \u003ca href=\"\/collections\/telescope-dew-shields\"\u003edew shields\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/telescope-accessory-kits\"\u003ematched accessory kits\u003c\/a\u003e. Choose the same telescope model for every matching part.\u003c\/p\u003e\u003ch2\u003eHow to use it\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet up your way:\u003c\/strong\u003e Fit the shield when you need it. The focusing masks also fit directly on your telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck your setup:\u003c\/strong\u003e Use the tri-Bahtinov mask, then add the isolation mask to examine one pattern at a time. Follow your telescope's instructions for collimation adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObserve, then cover:\u003c\/strong\u003e Remove the focusing masks before observing or imaging. Fit the cap to the telescope or shield when you finish.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eChoose your telescope model\u003c\/h2\u003e\u003cp\u003eChoose the full telescope model name, then your color. Similar apertures can have different fittings. Sky-Watcher Explorer 150P \/ 150PDS and Quattro 150P use different parts; select the one you own. Contact us if your model is unclear or not listed.\u003c\/p\u003e\u003ch2\u003ePrinted to order\u003c\/h2\u003e\u003cp\u003e3D printed to order in carbon-fiber-reinforced PETG (CF-PETG). The finish retains fine print layer lines. Shape and size vary by telescope model; product photos and renders show examples.\u003c\/p\u003e\u003ch2\u003eQuestions about your telescope?\u003c\/h2\u003e\u003cp\u003eTell us your model, which StargazeWorks parts you already have, and what you want to do. We can help you choose the right pieces or check how your setup works together. Contact us before ordering.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eAsk a question.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eShipping\u003c\/h2\u003e\u003cp\u003eNormally dispatches in 1–3 business days. U.S. standard shipping is $8, or free on orders of $70 or more, with an estimated 3–5 business days in transit after dispatch. Express shipping is $15, with an estimated 1–2 business days in transit. Delivery estimates are shown at checkout.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/shipping-policy\"\u003eShipping details.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eHelp with the fit\u003c\/h2\u003e\u003cp\u003eIf a part does not fit the telescope model on your order, contact us within 30 days of delivery. Confirmed fit or manufacturing issues receive a replacement at no charge. The guarantee does not cover selecting the wrong telescope model.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/refund-policy\"\u003eFull fit and return policy.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eQuestions about this product\u003c\/h2\u003e\u003ch3\u003eDo I have to use the shield every time?\u003c\/h3\u003e\u003cp\u003eNo. The masks and cap fit your telescope directly as well as the matching shield. Use the isolation mask with the tri-Bahtinov in either setup.\u003c\/p\u003e\u003ch3\u003eHow is this different from the Complete system with light control?\u003c\/h3\u003e\u003cp\u003eThis includes the standard dew shield. The light control version adds internal rings, called baffles, with a shape informed by ray tracing to help redirect stray light away from the optics.\u003c\/p\u003e\u003ch3\u003eWhich telescope model should I choose?\u003c\/h3\u003e\u003cp\u003eChoose the full telescope model name, then your color. Similar apertures can have different fittings. Sky-Watcher Explorer 150P \/ 150PDS and Quattro 150P use different parts; select the one you own. Contact us if your model is unclear or not listed.\u003c\/p\u003e\u003ch3\u003eWhat if the fit is not right?\u003c\/h3\u003e\u003cp\u003eIf a part does not fit the telescope model on your order, contact us within 30 days of delivery. Confirmed fit or manufacturing issues receive a replacement at no charge. The guarantee does not cover selecting the wrong telescope model.\u003c\/p\u003e\u003ch3\u003eWhen will it arrive?\u003c\/h3\u003e\u003cp\u003eNormally dispatches in 1–3 business days. U.S. standard shipping is $8, or free on orders of $70 or more, with an estimated 3–5 business days in transit after dispatch. Express shipping is $15, with an estimated 1–2 business days in transit. Delivery estimates are shown at checkout.\u003c\/p\u003e\u003ch3\u003eCan you help me choose or use the system?\u003c\/h3\u003e\u003cp\u003eTell us your model, which StargazeWorks parts you already have, and what you want to do. We can help you choose the right pieces or check how your setup works together. Use the question form on this page or contact us before ordering.\u003c\/p\u003e","brand":"StargazeWorks","offers":[{"title":"Meade ETX-90 Mak \/ Black","offer_id":48706685042942,"sku":"SW-BNDC-MEA-E90-BLK","price":75.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Brick Red","offer_id":48706685075710,"sku":"SW-BNDC-MEA-E90-RED","price":77.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Indigo Blue","offer_id":48706685108478,"sku":"SW-BNDC-MEA-E90-BLU","price":77.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Titan Gray","offer_id":48706685141246,"sku":"SW-BNDC-MEA-E90-GRY","price":77.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ Black","offer_id":48706685174014,"sku":"SW-BNDC-CEL-4SE-BLK","price":75.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ Brick 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Gray","offer_id":48706686976254,"sku":"SW-BNDC-MEA-908-GRY","price":129.99,"currency_code":"USD","in_stock":true},{"title":"Celestron C8 SCT \/ 8SE SCT \/ Evo 8 SCT \/ CPC 800 \/ EdgeHD 8 \/ AVX 8 SCT \/ CGX 800 \/ Black","offer_id":48706687009022,"sku":"SW-BNDC-CEL-C8-BLK","price":127.99,"currency_code":"USD","in_stock":true},{"title":"Celestron C8 SCT \/ 8SE SCT \/ Evo 8 SCT \/ CPC 800 \/ EdgeHD 8 \/ AVX 8 SCT \/ CGX 800 \/ Brick Red","offer_id":48706687041790,"sku":"SW-BNDC-CEL-C8-RED","price":129.99,"currency_code":"USD","in_stock":true},{"title":"Celestron C8 SCT \/ 8SE SCT \/ Evo 8 SCT \/ CPC 800 \/ EdgeHD 8 \/ AVX 8 SCT \/ CGX 800 \/ Indigo Blue","offer_id":48706687074558,"sku":"SW-BNDC-CEL-C8-BLU","price":129.99,"currency_code":"USD","in_stock":true},{"title":"Celestron C8 SCT \/ 8SE SCT \/ Evo 8 SCT \/ CPC 800 \/ EdgeHD 8 \/ AVX 8 SCT \/ CGX 800 \/ Titan 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Black","offer_id":48863281840382,"sku":"SW-BNDC-CEL-SS10-BLK","price":149.99,"currency_code":"USD","in_stock":true},{"title":"StarSense 10in Dob \/ Brick Red","offer_id":48863281873150,"sku":"SW-BNDC-CEL-SS10-RED","price":151.99,"currency_code":"USD","in_stock":true},{"title":"StarSense 10in Dob \/ Indigo Blue","offer_id":48863281905918,"sku":"SW-BNDC-CEL-SS10-BLU","price":151.99,"currency_code":"USD","in_stock":true},{"title":"StarSense 10in Dob \/ Titan Gray","offer_id":48863281938686,"sku":"SW-BNDC-CEL-SS10-GRY","price":151.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0810\/1314\/5854\/files\/sgw-bundle-complete-photo-hero-20260908-v2.png?v=1788906425"},{"product_id":"sgw-bundle-complete-premium","title":"Complete Premium Telescope System with Light Control Shield","description":"\u003cp\u003eControl stray light, check focus and alignment, then cover your optics. This four-piece telescope kit combines a Premium light-control dew shield, tri-Bahtinov mask, isolation mask and dust cap.\u003c\/p\u003e\u003ch2\u003eWhat’s included\u003c\/h2\u003e\u003cp\u003eIncludes the dew shield for stray light control, tri-Bahtinov mask, isolation mask and dust cap. Spike masks are sold separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDew shield for stray light control:\u003c\/strong\u003e Internal rings, called baffles, help redirect light arriving at an angle away from the optics. Their shape is informed by ray tracing. The shield also helps delay dew on exposed front optics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTri-Bahtinov mask:\u003c\/strong\u003e Creates three diffraction patterns to help you judge focus and optical alignment on a bright star.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation mask:\u003c\/strong\u003e Used with the tri-Bahtinov mask to cover two sectors and examine one pattern at a time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust cap:\u003c\/strong\u003e Covers the telescope or matching shield between sessions to help keep dust off the front optics.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOne system. Control light, focus and protect.\u003c\/h2\u003e\u003cp\u003eThe masks and dust cap fit both your telescope directly and the matching StargazeWorks dew shield. Choose pieces for the same telescope model and use the setup that suits your session.\u003c\/p\u003e\u003c!-- sgw-baffles-article:start --\u003e\u003ch2\u003eHow the baffles control stray light\u003c\/h2\u003e\u003cp\u003eThis kit includes a baffled dew shield. The rings interrupt wall reflections while leaving room for the light from your target. \u003ca href=\"https:\/\/stargazeworks.com\/blogs\/news\/telescope-baffles-dew-shields-stray-light\"\u003eRead how telescope baffles work, with ray-tracing charts\u003c\/a\u003e.\u003c\/p\u003e\u003c!-- sgw-baffles-article:end --\u003e\u003ch2\u003eBuild your setup\u003c\/h2\u003e\u003cp\u003eSee how the matched Premium system works from setup to storage. Read the \u003ca href=\"\/pages\/telescope-accessory-guide\"\u003etelescope accessory guide\u003c\/a\u003e, compare \u003ca href=\"\/collections\/telescope-dew-shields\"\u003edew shields\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/telescope-accessory-kits\"\u003ematched accessory kits\u003c\/a\u003e. Choose the same telescope model for every matching part.\u003c\/p\u003e\u003ch2\u003eHow to use it\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet up your way:\u003c\/strong\u003e Fit the shield when you need it. The focusing masks also fit directly on your telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck your setup:\u003c\/strong\u003e Use the tri-Bahtinov mask, then add the isolation mask to examine one pattern at a time. Follow your telescope's instructions for collimation adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObserve, then cover:\u003c\/strong\u003e Remove the focusing masks before observing or imaging. Fit the cap to the telescope or shield when you finish.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eChoose your telescope model\u003c\/h2\u003e\u003cp\u003eChoose the full telescope model name, then your color. Similar apertures can have different fittings. Sky-Watcher Explorer 150P \/ 150PDS and Quattro 150P use different parts; select the one you own. Contact us if your model is unclear or not listed.\u003c\/p\u003e\u003ch2\u003ePrinted to order\u003c\/h2\u003e\u003cp\u003e3D printed to order in carbon-fiber-reinforced PETG (CF-PETG). The finish retains fine print layer lines. Shape and size vary by telescope model; product photos and renders show examples.\u003c\/p\u003e\u003ch2\u003eQuestions about your telescope?\u003c\/h2\u003e\u003cp\u003eTell us your model, which StargazeWorks parts you already have, and what you want to do. We can help you choose the right pieces or check how your setup works together. Contact us before ordering.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eAsk a question.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eShipping\u003c\/h2\u003e\u003cp\u003eNormally dispatches in 1–3 business days. U.S. standard shipping is $8, or free on orders of $70 or more, with an estimated 3–5 business days in transit after dispatch. Express shipping is $15, with an estimated 1–2 business days in transit. Delivery estimates are shown at checkout.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/shipping-policy\"\u003eShipping details.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eHelp with the fit\u003c\/h2\u003e\u003cp\u003eIf a part does not fit the telescope model on your order, contact us within 30 days of delivery. Confirmed fit or manufacturing issues receive a replacement at no charge. The guarantee does not cover selecting the wrong telescope model.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/refund-policy\"\u003eFull fit and return policy.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eQuestions about this product\u003c\/h2\u003e\u003ch3\u003eHow does the shield control stray light?\u003c\/h3\u003e\u003cp\u003eThe rings inside a baffled dew shield intercept light coming in at an angle. Ray tracing helped us choose ring angles that direct reflections away from the optics and into the spaces between the rings.\u003c\/p\u003e\u003ch3\u003eDo I need the shield to use the masks and cap?\u003c\/h3\u003e\u003cp\u003eNo. The masks and dust cap fit directly on your telescope and on the matching StargazeWorks dew shield. Choose all parts for the same telescope model. The isolation mask works with the tri-Bahtinov mask in either setup.\u003c\/p\u003e\u003ch3\u003eHow do the four pieces work together?\u003c\/h3\u003e\u003cp\u003eUse the shield when you want it, and fit the tri-Bahtinov directly on the telescope or in the shield to check your setup. Add the isolation mask to examine one pattern. Remove the focusing masks before observing or imaging; use the cap on the telescope or shield when you finish.\u003c\/p\u003e\u003ch3\u003eWhich telescope model should I choose?\u003c\/h3\u003e\u003cp\u003eChoose the full telescope model name, then your color. Similar apertures can have different fittings. Sky-Watcher Explorer 150P \/ 150PDS and Quattro 150P use different parts; select the one you own. Contact us if your model is unclear or not listed.\u003c\/p\u003e\u003ch3\u003eWhat if the fit is not right?\u003c\/h3\u003e\u003cp\u003eIf a part does not fit the telescope model on your order, contact us within 30 days of delivery. Confirmed fit or manufacturing issues receive a replacement at no charge. The guarantee does not cover selecting the wrong telescope model.\u003c\/p\u003e\u003ch3\u003eWhen will it arrive?\u003c\/h3\u003e\u003cp\u003eNormally dispatches in 1–3 business days. U.S. standard shipping is $8, or free on orders of $70 or more, with an estimated 3–5 business days in transit after dispatch. Express shipping is $15, with an estimated 1–2 business days in transit. Delivery estimates are shown at checkout.\u003c\/p\u003e\u003ch3\u003eCan you help me choose or use the system?\u003c\/h3\u003e\u003cp\u003eTell us your model, which StargazeWorks parts you already have, and what you want to do. We can help you choose the right pieces or check how your setup works together. Use the question form on this page or contact us before ordering.\u003c\/p\u003e","brand":"StargazeWorks","offers":[{"title":"Meade ETX-90 Mak \/ Black","offer_id":48706688352510,"sku":"SW-BNDX-MEA-E90-BLK","price":86.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Brick Red","offer_id":48706688385278,"sku":"SW-BNDX-MEA-E90-RED","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Indigo Blue","offer_id":48706688418046,"sku":"SW-BNDX-MEA-E90-BLU","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Titan Gray","offer_id":48706688450814,"sku":"SW-BNDX-MEA-E90-GRY","price":88.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ Black","offer_id":48706688483582,"sku":"SW-BNDX-CEL-4SE-BLK","price":86.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ Brick 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A matched three-piece system with no shield required.\u003c\/p\u003e\u003ch2\u003eWhat’s included\u003c\/h2\u003e\u003cp\u003eIncludes the tri-Bahtinov mask, isolation mask and dust cap. A dew shield is sold separately.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTri-Bahtinov mask:\u003c\/strong\u003e Creates three diffraction patterns to help you judge focus and optical alignment on a bright star.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation mask:\u003c\/strong\u003e Used with the tri-Bahtinov mask to cover two sectors and examine one pattern at a time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust cap:\u003c\/strong\u003e Covers the telescope or matching shield between sessions to help keep dust off the front optics.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOne system. With or without the shield.\u003c\/h2\u003e\u003cp\u003eThe masks and dust cap fit both your telescope directly and the matching StargazeWorks dew shield. Choose pieces for the same telescope model and use the setup that suits your session.\u003c\/p\u003e\u003ch2\u003eBuild your setup\u003c\/h2\u003e\u003cp\u003eSee how focusing masks and a cap work with a matching shield. Read the \u003ca href=\"\/pages\/telescope-accessory-guide\"\u003etelescope accessory guide\u003c\/a\u003e, compare \u003ca href=\"\/collections\/telescope-dew-shields\"\u003edew shields\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/telescope-accessory-kits\"\u003ematched accessory kits\u003c\/a\u003e. Choose the same telescope model for every matching part.\u003c\/p\u003e\u003ch2\u003eHow to use it\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit the focusing mask:\u003c\/strong\u003e Use the tri-Bahtinov directly on your telescope or with a matching StargazeWorks shield, sold separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect one pattern:\u003c\/strong\u003e Add the isolation mask when you want to examine one of the three diffraction patterns. Follow your telescope’s instructions for adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObserve, then cover:\u003c\/strong\u003e Remove the focusing masks before observing or imaging. Use the cap on the telescope or matching shield when you finish.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eChoose your telescope model\u003c\/h2\u003e\u003cp\u003eChoose the full telescope model name, then your color. Similar apertures can have different fittings. Sky-Watcher Explorer 150P \/ 150PDS and Quattro 150P use different parts; select the one you own. Contact us if your model is unclear or not listed.\u003c\/p\u003e\u003ch2\u003ePrinted to order\u003c\/h2\u003e\u003cp\u003e3D printed to order in carbon-fiber-reinforced PETG (CF-PETG). The finish retains fine print layer lines. Shape and size vary by telescope model; product photos and renders show examples.\u003c\/p\u003e\u003ch2\u003eQuestions about your telescope?\u003c\/h2\u003e\u003cp\u003eTell us your model, which StargazeWorks parts you already have, and what you want to do. We can help you choose the right pieces or check how your setup works together. Contact us before ordering.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eAsk a question.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eShipping\u003c\/h2\u003e\u003cp\u003eNormally dispatches in 1–3 business days. U.S. standard shipping is $8, or free on orders of $70 or more, with an estimated 3–5 business days in transit after dispatch. Express shipping is $15, with an estimated 1–2 business days in transit. Delivery estimates are shown at checkout.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/shipping-policy\"\u003eShipping details.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eHelp with the fit\u003c\/h2\u003e\u003cp\u003eIf a part does not fit the telescope model on your order, contact us within 30 days of delivery. Confirmed fit or manufacturing issues receive a replacement at no charge. The guarantee does not cover selecting the wrong telescope model.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/refund-policy\"\u003eFull fit and return policy.\u003c\/a\u003e\u003c\/p\u003e","brand":"StargazeWorks","offers":[{"title":"Meade ETX-90 Mak \/ Black","offer_id":48706692415742,"sku":"SW-BNDP-MEA-E90-BLK","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Brick Red","offer_id":48706692448510,"sku":"SW-BNDP-MEA-E90-RED","price":51.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Indigo Blue","offer_id":48706692481278,"sku":"SW-BNDP-MEA-E90-BLU","price":51.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Titan Gray","offer_id":48706692514046,"sku":"SW-BNDP-MEA-E90-GRY","price":51.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ Black","offer_id":48706692546814,"sku":"SW-BNDP-CEL-4SE-BLK","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ 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This seven-piece telescope kit pairs the Premium light-control shield with a tri-Bahtinov mask, isolation mask, three spike masks and a dust cap.\u003c\/p\u003e\u003ch2\u003eWhat’s included\u003c\/h2\u003e\u003cp\u003eIncludes the dew shield for stray light control, tri-Bahtinov mask, isolation mask, three spike masks (4-point, 6-point and 8-point) and dust cap: seven pieces total.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDew shield for stray light control:\u003c\/strong\u003e Internal rings, called baffles, help redirect light arriving at an angle away from the optics. Their shape is informed by ray tracing. The shield also helps delay dew on exposed front optics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTri-Bahtinov mask:\u003c\/strong\u003e Creates three diffraction patterns to help you judge focus and optical alignment on a bright star.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation mask:\u003c\/strong\u003e Used with the tri-Bahtinov mask to cover two sectors and examine one pattern at a time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiffraction spike masks:\u003c\/strong\u003e A set of three removable masks for 4-point, 6-point and 8-point star spikes in your images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust cap:\u003c\/strong\u003e Covers the telescope or matching shield between sessions to help keep dust off the front optics.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eOne system. Control light, focus and protect.\u003c\/h2\u003e\u003cp\u003eThe masks and dust cap fit both your telescope directly and the matching StargazeWorks dew shield. Choose pieces for the same telescope model and use the setup that suits your session.\u003c\/p\u003e\u003c!-- sgw-baffles-article:start --\u003e\u003ch2\u003eHow the baffles control stray light\u003c\/h2\u003e\u003cp\u003eThis kit includes a baffled dew shield. The rings interrupt wall reflections while leaving room for the light from your target. \u003ca href=\"https:\/\/stargazeworks.com\/blogs\/news\/telescope-baffles-dew-shields-stray-light\"\u003eRead how telescope baffles work, with ray-tracing charts\u003c\/a\u003e.\u003c\/p\u003e\u003c!-- sgw-baffles-article:end --\u003e\u003ch2\u003eBuild your setup\u003c\/h2\u003e\u003cp\u003eCompare the Ultimate system with the other matched kits. Read the \u003ca href=\"\/pages\/telescope-accessory-guide\"\u003etelescope accessory guide\u003c\/a\u003e, compare \u003ca href=\"\/collections\/telescope-dew-shields\"\u003edew shields\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/telescope-accessory-kits\"\u003ematched accessory kits\u003c\/a\u003e. Choose the same telescope model for every matching part.\u003c\/p\u003e\u003ch2\u003eHow to use it\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck focus and alignment:\u003c\/strong\u003e Use the tri-Bahtinov and isolation masks directly on the telescope or in the shield. Follow your telescope’s instructions for adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChoose your image:\u003c\/strong\u003e Remove the focusing masks. Add a spike mask and leave it fitted during the exposure when you want its star pattern; remove it for images without that added pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCover when finished:\u003c\/strong\u003e Use the dust cap on the telescope directly or on the matching shield between sessions.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eChoose your telescope model\u003c\/h2\u003e\u003cp\u003eChoose the full telescope model name, then your color. Similar apertures can have different fittings. Sky-Watcher Explorer 150P \/ 150PDS and Quattro 150P use different parts; select the one you own. Contact us if your model is unclear or not listed.\u003c\/p\u003e\u003ch2\u003ePrinted to order\u003c\/h2\u003e\u003cp\u003e3D printed to order in carbon-fiber-reinforced PETG (CF-PETG). The finish retains fine print layer lines. Shape and size vary by telescope model; product photos and renders show examples.\u003c\/p\u003e\u003ch2\u003eQuestions about your telescope?\u003c\/h2\u003e\u003cp\u003eTell us your model, which StargazeWorks parts you already have, and what you want to do. We can help you choose the right pieces or check how your setup works together. Contact us before ordering.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eAsk a question.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eShipping\u003c\/h2\u003e\u003cp\u003eNormally dispatches in 1–3 business days. U.S. standard shipping is $8, or free on orders of $70 or more, with an estimated 3–5 business days in transit after dispatch. Express shipping is $15, with an estimated 1–2 business days in transit. Delivery estimates are shown at checkout.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/shipping-policy\"\u003eShipping details.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eHelp with the fit\u003c\/h2\u003e\u003cp\u003eIf a part does not fit the telescope model on your order, contact us within 30 days of delivery. Confirmed fit or manufacturing issues receive a replacement at no charge. The guarantee does not cover selecting the wrong telescope model.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/refund-policy\"\u003eFull fit and return policy.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eQuestions about this product\u003c\/h2\u003e\u003ch3\u003eHow does the shield control stray light?\u003c\/h3\u003e\u003cp\u003eThe rings inside a baffled dew shield intercept light coming in at an angle. Ray tracing helped us choose ring angles that direct reflections away from the optics and into the spaces between the rings.\u003c\/p\u003e\u003ch3\u003eWhich masks stay on for an exposure?\u003c\/h3\u003e\u003cp\u003eRemove the tri-Bahtinov and isolation masks after checking your setup. A spike mask stays fitted during an exposure when you want 4-point, 6-point or 8-point spikes.\u003c\/p\u003e\u003ch3\u003eDoes the system work without the shield?\u003c\/h3\u003e\u003cp\u003eYes. The masks and cap fit the telescope directly and the matching StargazeWorks shield. The isolation mask pairs with the tri-Bahtinov in either setup.\u003c\/p\u003e\u003ch3\u003eWhich telescope model should I choose?\u003c\/h3\u003e\u003cp\u003eChoose the full telescope model name, then your color. Similar apertures can have different fittings. Sky-Watcher Explorer 150P \/ 150PDS and Quattro 150P use different parts; select the one you own. Contact us if your model is unclear or not listed.\u003c\/p\u003e\u003ch3\u003eWhat if the fit is not right?\u003c\/h3\u003e\u003cp\u003eIf a part does not fit the telescope model on your order, contact us within 30 days of delivery. Confirmed fit or manufacturing issues receive a replacement at no charge. The guarantee does not cover selecting the wrong telescope model.\u003c\/p\u003e\u003ch3\u003eWhen will it arrive?\u003c\/h3\u003e\u003cp\u003eNormally dispatches in 1–3 business days. U.S. standard shipping is $8, or free on orders of $70 or more, with an estimated 3–5 business days in transit after dispatch. Express shipping is $15, with an estimated 1–2 business days in transit. Delivery estimates are shown at checkout.\u003c\/p\u003e\u003ch3\u003eCan you help me choose or use the system?\u003c\/h3\u003e\u003cp\u003eTell us your model, which StargazeWorks parts you already have, and what you want to do. We can help you choose the right pieces or check how your setup works together. Use the question form on this page or contact us before ordering.\u003c\/p\u003e","brand":"StargazeWorks","offers":[{"title":"Meade ETX-90 Mak \/ Black","offer_id":48706701623550,"sku":"SW-BNDU-MEA-E90-BLK","price":112.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Brick Red","offer_id":48706701656318,"sku":"SW-BNDU-MEA-E90-RED","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Indigo Blue","offer_id":48706701689086,"sku":"SW-BNDU-MEA-E90-BLU","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Titan Gray","offer_id":48706701721854,"sku":"SW-BNDU-MEA-E90-GRY","price":114.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ Black","offer_id":48706701754622,"sku":"SW-BNDU-CEL-4SE-BLK","price":112.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ Brick 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The isolation mask covers two sectors so you can inspect one diffraction pattern at a time.\u003c\/p\u003e\u003ch2\u003eWhat’s included\u003c\/h2\u003e\u003cp\u003eIncludes one isolation mask. A StargazeWorks tri-Bahtinov mask is required and sold separately or in a kit. Shield and dust cap are not included.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eIsolation mask:\u003c\/strong\u003e Used with the tri-Bahtinov mask to cover two sectors and examine one pattern at a time.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eOne system. With or without the shield.\u003c\/h2\u003e\u003cp\u003eThe masks and dust cap fit both your telescope directly and the matching StargazeWorks dew shield. Choose pieces for the same telescope model and use the setup that suits your session.\u003c\/p\u003e\u003cp\u003eThe isolation mask is used with the tri-Bahtinov mask in either setup; the tri-Bahtinov is sold separately.\u003c\/p\u003e\u003ch2\u003eBuild your setup\u003c\/h2\u003e\u003cp\u003eSee where the isolation mask fits in a focus-and-alignment setup. Read the \u003ca href=\"\/pages\/telescope-accessory-guide\"\u003etelescope accessory guide\u003c\/a\u003e, compare \u003ca href=\"\/collections\/telescope-dew-shields\"\u003edew shields\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/telescope-accessory-kits\"\u003ematched accessory kits\u003c\/a\u003e. Choose the same telescope model for every matching part.\u003c\/p\u003e\u003ch2\u003eHow to use it\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart with the tri-Bahtinov:\u003c\/strong\u003e Fit your matching tri-Bahtinov mask directly on the telescope or in the shield.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolate a pattern:\u003c\/strong\u003e Place the isolation mask over the tri-Bahtinov and rotate it to examine each sector in turn.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish your check:\u003c\/strong\u003e Follow your telescope's instructions for adjustments. Remove both masks before observing or imaging.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eChoose your telescope model\u003c\/h2\u003e\u003cp\u003eChoose the full telescope model name, then your color. Similar apertures can have different fittings. Sky-Watcher Explorer 150P \/ 150PDS and Quattro 150P use different parts; select the one you own. Contact us if your model is unclear or not listed.\u003c\/p\u003e\u003ch2\u003ePrinted to order\u003c\/h2\u003e\u003cp\u003e3D printed to order in carbon-fiber-reinforced PETG (CF-PETG). The finish retains fine print layer lines. Shape and size vary by telescope model; product photos and renders show examples.\u003c\/p\u003e\u003ch2\u003eQuestions about your telescope?\u003c\/h2\u003e\u003cp\u003eTell us your model, which StargazeWorks parts you already have, and what you want to do. We can help you choose the right pieces or check how your setup works together. Contact us before ordering.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eAsk a question.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eShipping\u003c\/h2\u003e\u003cp\u003eNormally dispatches in 1–3 business days. U.S. standard shipping is $8, or free on orders of $70 or more, with an estimated 3–5 business days in transit after dispatch. Express shipping is $15, with an estimated 1–2 business days in transit. Delivery estimates are shown at checkout.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/shipping-policy\"\u003eShipping details.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eHelp with the fit\u003c\/h2\u003e\u003cp\u003eIf a part does not fit the telescope model on your order, contact us within 30 days of delivery. Confirmed fit or manufacturing issues receive a replacement at no charge. The guarantee does not cover selecting the wrong telescope model.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/refund-policy\"\u003eFull fit and return policy.\u003c\/a\u003e\u003c\/p\u003e","brand":"StargazeWorks","offers":[{"title":"Meade ETX-90 Mak \/ Black","offer_id":48706713256190,"sku":"SW-ISOL-MEA-E90-BLK","price":9.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Brick Red","offer_id":48706713288958,"sku":"SW-ISOL-MEA-E90-RED","price":11.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Indigo Blue","offer_id":48706713321726,"sku":"SW-ISOL-MEA-E90-BLU","price":11.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Titan Gray","offer_id":48706713354494,"sku":"SW-ISOL-MEA-E90-GRY","price":11.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ Black","offer_id":48706713387262,"sku":"SW-ISOL-CEL-4SE-BLK","price":9.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ 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Use the mask on your telescope directly or in the matching shield.\u003c\/p\u003e\u003ch2\u003eWhat’s included\u003c\/h2\u003e\u003cp\u003eIncludes one tri-Bahtinov mask. The isolation mask, shield and dust cap are sold separately.\u003c\/p\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eTri-Bahtinov mask:\u003c\/strong\u003e Creates three diffraction patterns to help you judge focus and optical alignment on a bright star.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eOne system. With or without the shield.\u003c\/h2\u003e\u003cp\u003eThe masks and dust cap fit both your telescope directly and the matching StargazeWorks dew shield. Choose pieces for the same telescope model and use the setup that suits your session.\u003c\/p\u003e\u003ch2\u003eBuild your setup\u003c\/h2\u003e\u003cp\u003ePlan a setup for focus, alignment and light control. Read the \u003ca href=\"\/pages\/telescope-accessory-guide\"\u003etelescope accessory guide\u003c\/a\u003e, compare \u003ca href=\"\/collections\/telescope-dew-shields\"\u003edew shields\u003c\/a\u003e, or browse \u003ca href=\"\/collections\/telescope-accessory-kits\"\u003ematched accessory kits\u003c\/a\u003e. Choose the same telescope model for every matching part.\u003c\/p\u003e\u003ch2\u003eHow to use it\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit the mask:\u003c\/strong\u003e Place it directly on your telescope or in the matching StargazeWorks shield.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the patterns:\u003c\/strong\u003e Use a bright star to judge focus and alignment. Follow your telescope's instructions for any collimation adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObserve or image:\u003c\/strong\u003e Remove the focusing masks when your setup is ready.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eChoose your telescope model\u003c\/h2\u003e\u003cp\u003eChoose the full telescope model name, then your color. Similar apertures can have different fittings. Sky-Watcher Explorer 150P \/ 150PDS and Quattro 150P use different parts; select the one you own. Contact us if your model is unclear or not listed.\u003c\/p\u003e\u003ch2\u003ePrinted to order\u003c\/h2\u003e\u003cp\u003e3D printed to order in carbon-fiber-reinforced PETG (CF-PETG). The finish retains fine print layer lines. Shape and size vary by telescope model; product photos and renders show examples.\u003c\/p\u003e\u003ch2\u003eQuestions about your telescope?\u003c\/h2\u003e\u003cp\u003eTell us your model, which StargazeWorks parts you already have, and what you want to do. We can help you choose the right pieces or check how your setup works together. Contact us before ordering.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/contact\"\u003eAsk a question.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eShipping\u003c\/h2\u003e\u003cp\u003eNormally dispatches in 1–3 business days. U.S. standard shipping is $8, or free on orders of $70 or more, with an estimated 3–5 business days in transit after dispatch. Express shipping is $15, with an estimated 1–2 business days in transit. Delivery estimates are shown at checkout.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/shipping-policy\"\u003eShipping details.\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eHelp with the fit\u003c\/h2\u003e\u003cp\u003eIf a part does not fit the telescope model on your order, contact us within 30 days of delivery. Confirmed fit or manufacturing issues receive a replacement at no charge. The guarantee does not cover selecting the wrong telescope model.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/policies\/refund-policy\"\u003eFull fit and return policy.\u003c\/a\u003e\u003c\/p\u003e","brand":"StargazeWorks","offers":[{"title":"Meade ETX-90 Mak \/ Black","offer_id":48706719023358,"sku":"SW-TRIB-MEA-E90-BLK","price":23.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Brick Red","offer_id":48706719056126,"sku":"SW-TRIB-MEA-E90-RED","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Indigo Blue","offer_id":48706719088894,"sku":"SW-TRIB-MEA-E90-BLU","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Meade ETX-90 Mak \/ Titan Gray","offer_id":48706719121662,"sku":"SW-TRIB-MEA-E90-GRY","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ Black","offer_id":48706719154430,"sku":"SW-TRIB-CEL-4SE-BLK","price":23.99,"currency_code":"USD","in_stock":true},{"title":"Celestron 4SE Mak \/ 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