{"title":"Antares Barlows \u0026 Extenders","description":"\u003cp\u003eAntares Barlow lenses and focal extenders in 1.25\" and 2\" fittings. Goods ship factory-sealed. If you're unsure what fits your setup, ask us before you order and we'll confirm it.\u003c\/p\u003e","products":[{"product_id":"1-25-2x-barlow-full-multicoated","title":"1.25\" 2X Barlow full Multicoated","description":"\u003cspan style=\"background-color: rgb(255, 255, 255); font-family: Arial;\"\u003eThese high performance Barlows feature 27mm elements and fullly-muliticoated achromatic design. Available in both 2x and 3x, these short designs will work in diagonals, have internal darkening and edge-blackened lenses, and are parfocal with most eyepieces. Suitable for high contrast, high power applications in any telescope.\u003c\/span\u003e\u003cdiv\u003e    \u003c\/div\u003e","brand":"Antares","offers":[{"title":"Default Title","offer_id":44012347490415,"sku":"UB2S","price":54.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/barlow2__45453.jpg?v=1766547726"},{"product_id":"antares-2-1-6x-barlow-twist-lock","title":"Antares 2\" 1.6x Barlow Twist lock","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cspan style=\"font-family: Arial, sans-serif; font-weight: bold;\"\u003eThe 2\" 1.6X barlow\u003c\/span\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003e is back after a complete optical and mechanical re-design.  \u003cspan style=\"font-weight: bold;\"\u003eIt comes in (2) parts.  \u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"font-size: 8pt; font-family: Arial, sans-serif;\"\u003e\u003co:p\u003e\u003c\/o:p\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 8pt; font-family: Arial, sans-serif;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-family: Arial, sans-serif; font-weight: bold;\"\u003ePart#1\u003c\/span\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003e is like a DP2, housing the lens; 2\" barrel with T2 output thread.  The lens has been optimized for 55mm backfocus, consistent with DSLR's like Canon and Nikon.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 8pt; font-family: Arial, sans-serif;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-family: Arial, sans-serif; font-weight: bold;\"\u003ePart#2\u003c\/span\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003e threads onto the T2 thread of part#1 for visual use, with the usual twist-lock format.  A rubber ring is supplied; it goes between the two parts to prevent un-threading when using the Visual Back.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 8pt; font-family: Arial, sans-serif;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003eThis has been designed to not change the characteristics of the telescope (eg. a Newtonian will still have coma), but edge spot size has been reduced by 30% over the previous version.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Antares","offers":[{"title":"Default Title","offer_id":44012358172783,"sku":"2UBSTL","price":118.8,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2UBSTL-1__08729.jpg?v=1766547816"},{"product_id":"antares-2x-barlow-with-twistlock","title":"Antares 2X Barlow with twistlock","description":"\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eHigh quality barlow lens that features twist lock\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eThis barlow lens features a twist lock mechanism which makes your eyepiece\/camera centralized. This makes more of the stars focused so it is far better for astrophotography. Objects that are in the center of the field are more likely to be pin points.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eThis high-performance Antares Barlow features large 26mm-diameter optical elements (great for use with a wide range of eyepieces) and a fully multi-coated achromatic design with edge-blackened lenses for maximum contrast. The 'short' design ensures that it will work with star diagonals. The Barlow is ideal for use with low-powered (long focal length) eyepieces to deliver higher powers, but with maximum eye-relief and viewing comfort. It is also very useful for webcam imaging and other astro-photographic applications. This super-quality Barlow achieves high-powered views with a high standard of colour correction   ideal for planetary and lunar observing.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eRemove the twist lock and expose male T\/T2 threads to attached a DSLR camera adapter\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"border: 0px; outline: rgb(0, 0, 0); vertical-align: baseline; margin: 0px; font-family: Helvetica, Arial, sans-serif; font-size: 12px; background: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"border: 0px; outline: rgb(0, 0, 0); vertical-align: baseline; margin: 0px; font-family: Helvetica, Arial, sans-serif; font-size: 12px; background: rgb(255, 255, 255);\"\u003eAll barlows change the focus point of your telescope. This amount depends on the exact combination of your telescope, barlow, eyepiece and other optical accessories.  Please note that you may not be able to reach focus with all eyepieces when using a barlow.\u003c\/p\u003e","brand":"Antares","offers":[{"title":"Default Title","offer_id":44012606816367,"sku":"UB2STL","price":79.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ub2stl1__78666.jpg?v=1766548116"},{"product_id":"antares-3x-barlow-with-twistlock","title":"Antares 3X Barlow with twistlock","description":"\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); font-family: arial, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);\"\u003eHigh quality barlow lens that features twist lock\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); font-family: arial, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);\"\u003eThis barlow lens features a twist lock mechanism which makes your eyepiece\/camera centralized. This makes more of the stars focused so it is far better for astrophotography. Objects that are in the center of the field are more likely to be pin points.\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); font-family: arial, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);\"\u003eThis high-performance Antares Barlow features large 26mm-diameter optical elements (great for use with a wide range of eyepieces) and a fully multi-coated achromatic design with edge-blackened lenses for maximum contrast. The 'short' design ensures that it will work with star diagonals. The Barlow is ideal for use with low-powered (long focal length) eyepieces to deliver higher powers, but with maximum eye-relief and viewing comfort. It is also very useful for webcam imaging and other astro-photographic applications. This super-quality Barlow achieves high-powered views with a high standard of colour correction   ideal for planetary and lunar observing.\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); font-family: arial, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);\"\u003eRemove the twist lock and expose male T\/T2 threads to attached a DSLR camera adapter\u003c\/p\u003e\u003cp style=\"border: 0px; outline: rgb(0, 0, 0); vertical-align: baseline; margin: 0px; font-family: Helvetica, Arial, sans-serif; font-size: 12px; background: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"border: 0px; outline: rgb(0, 0, 0); vertical-align: baseline; margin: 0px; font-family: Helvetica, Arial, sans-serif; font-size: 12px; background: rgb(255, 255, 255);\"\u003eAll barlows change the focus point of your telescope. This amount depends on the exact combination of your telescope, barlow, eyepiece and other optical accessories.  Please note that you may not be able to reach focus with all eyepieces when using a barlow.\u003c\/p\u003e","brand":"Antares","offers":[{"title":"Default Title","offer_id":44013008912495,"sku":"UB3STL","price":71.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ub2stl1__00519.jpg?v=1766548419"},{"product_id":"antares-5x-barlow-with-twistlock","title":"Antares 5X Barlow with twistlock","description":"\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); font-family: arial, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);\"\u003eHigh quality barlow lens that features twist lock\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); font-family: arial, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);\"\u003eThis barlow lens features a twist lock mechanism which makes your eyepiece\/camera centralized. This makes more of the stars focused so it is far better for astrophotography. Objects that are in the center of the field are more likely to be pin points.\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); font-family: arial, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);\"\u003eThis high-performance Antares Barlow features large 26mm-diameter optical elements (great for use with a wide range of eyepieces) and a fully multi-coated achromatic design with edge-blackened lenses for maximum contrast. The 'short' design ensures that it will work with star diagonals. The Barlow is ideal for use with low-powered (long focal length) eyepieces to deliver higher powers, but with maximum eye-relief and viewing comfort. It is also very useful for webcam imaging and other astro-photographic applications. This super-quality Barlow achieves high-powered views with a high standard of colour correction   ideal for planetary and lunar observing.\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); font-family: arial, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);\"\u003eRemove the twist lock and expose male T\/T2 threads to attached a DSLR camera adapter\u003c\/p\u003e\u003cp style=\"border: 0px; outline: rgb(0, 0, 0); vertical-align: baseline; margin: 0px; font-family: Helvetica, Arial, sans-serif; font-size: 12px; background: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"border: 0px; outline: rgb(0, 0, 0); vertical-align: baseline; margin: 0px; font-family: Helvetica, Arial, sans-serif; font-size: 12px; background: rgb(255, 255, 255);\"\u003eAll barlows change the focus point of your telescope. This amount depends on the exact combination of your telescope, barlow, eyepiece and other optical accessories.  Please note that you may not be able to reach focus with all eyepieces when using a barlow.\u003c\/p\u003e","brand":"Antares","offers":[{"title":"Default Title","offer_id":44013009993839,"sku":"UB5STL","price":71.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/ub2stl1__10874.jpg?v=1766548424"},{"product_id":"antares-1-5x-barlow-with-twistlock","title":"Antares 1.5X Barlow with twistlock","description":"\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); font-family: arial, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);\"\u003eHigh quality barlow lens that features twist lock. Ideal 1.5x for achieving focus on short focal length telescopes. \u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); font-family: arial, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);\"\u003eThis barlow lens features a twist lock mechanism which makes your eyepiece\/camera centralized. This makes more of the stars focused so it is far better for astrophotography. Objects that are in the center of the field are more likely to be pin points.\u003c\/p\u003e\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: rgb(64, 64, 64); font-family: arial, sans-serif; font-size: 12px; background-color: rgb(255, 255, 255);\"\u003eThis high-performance Antares Barlow features large 26mm-diameter optical elements (great for use with a wide range of eyepieces) and a fully multi-coated achromatic design with edge-blackened lenses for maximum contrast. The 'short' design ensures that it will work with star diagonals. The Barlow is ideal for use with low-powered (long focal length) eyepieces to deliver higher powers, but with maximum eye-relief and viewing comfort. It is also very useful for webcam imaging and other astro-photographic applications. This super-quality Barlow achieves high-powered views with a high standard of colour correction   ideal for planetary and lunar observing\u003c\/p\u003e","brand":"Antares","offers":[{"title":"Default Title","offer_id":44013154467951,"sku":"UB1.5STL","price":71.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/15xbarlowtwist__84115.png?v=1766548671"},{"product_id":"antares-1-5x-barlow","title":"Antares 1.5X Barlow","description":"\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: #404040; font-family: arial, sans-serif; font-size: 12px; background-color: #ffffff;\"\u003eIdeal 1.5x for achieving focus on short focal length telescopes.\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: #404040; font-family: arial, sans-serif; font-size: 12px; background-color: #ffffff;\"\u003eThis barlow lens features a twist lock mechanism which makes your eyepiece\/camera centralized. This makes more of the stars focused so it is far better for astrophotography. Objects that are in the center of the field are more likely to be pin points.\u003c\/p\u003e\n\u003cp style=\"box-sizing: border-box; -webkit-font-smoothing: subpixel-antialiased; margin: 1em 0px; line-height: 18px; color: #404040; font-family: arial, sans-serif; font-size: 12px; background-color: #ffffff;\"\u003eThis high-performance Antares Barlow features large 26mm-diameter optical elements (great for use with a wide range of eyepieces) and a fully multi-coated achromatic design with edge-blackened lenses for maximum contrast. The 'short' design ensures that it will work with star diagonals. The Barlow is ideal for use with low-powered (long focal length) eyepieces to deliver higher powers, but with maximum eye-relief and viewing comfort. It is also very useful for webcam imaging and other astro-photographic applications. This super-quality Barlow achieves high-powered views with a high standard of colour correction ideal for planetary and lunar observing\u003c\/p\u003e","brand":"Antares","offers":[{"title":"Default Title","offer_id":44014033600623,"sku":"UB1.5","price":66.0,"currency_code":"CAD","in_stock":true}]}],"url":"https:\/\/ontariotelescope.com\/collections\/antares-barlows.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}