{"product_id":"askar-120-mm-f-7-apo-ed-triplet-refractor-with-free-1-0x-askar-flattener-pre-owned","title":"Askar 120 mm F\/7 APO ED Triplet Refractor with Free 1.0x ASKAR Flattener! (Pre-owned)","description":"\u003cp\u003e\u003cspan style=\"color: rgb(246, 9, 9);\"\u003e\u003cstrong\u003eIn Excellent Condition!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(246, 9, 9);\"\u003e\u003cstrong\u003eIncludes its Flattener for free, worth $306!!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003eAskar 120APO - F7 APO ED Triplet \u003c\/h2\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/9f8d160e-dcd4-4125-a245-aac647dce24a_480x480.jpg?v=1695221784\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/Untitled_75f54d81-9402-4a53-8c10-0acc8d0749d9_480x480.png?v=1695221930\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe aperture of 120mm gives it an inherent advantage in terms of light-gathering power, resolution, brightness, and contrast, allowing the photographer to gather more light and present more details and brighter objects in the image.The aperture area of the Askar 120APO enlarged by 36% compared to that of the 103APO.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eAlong with the more light coming into the astrograph, the limiting magnitude can reach 12.2.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eAskar 120APO adopts a triplet air-spaced APO lens design, including one piece of ED glass.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eIn the refractor's element structure, increasing the number of lens elements and designing lens combinations can effectively improve chromatic aberration correction. However, this also means increased production costs and design complexity.Askar APO series employs special optical designs and multiple lens elements to correct chromatic aberration, naturally providing higher-quality object details and color accuracy.ED glass, also known as low-dispersion glass, is a type of optical glass specifically designed to reduce chromatic aberration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/2_480x480.jpg?v=1695221995\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExcept for the dedicated optical design, the Askar 120APO is well-considered in the mechanical design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eAskar 120APO is light and compact with a total weight of 6.5kg (including the tube rings). So it is suitable for outdoor shooting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eEach piece of Askar 103APO is equipped with a unique name ring for identification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eThe retractable design of the dew shield, along with the enlarged locking screws, provides convenient usage. The dew shield serves the purpose of protecting the lens from the impact of external and internal light and protecting the lens itself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eThe Askar 120APO has two finder bases, one on each side. Many users have some concerns about the limited space for installing additional astronomical accessories along the use. To address this, we have specially set finder bases on both sides of the focuser. This not only eliminates the need for disassembly when changing the position of the finder scope but also provides additional mounting positions for other astronomical accessories.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eThe handle of the Askar 120APO has a special slot design, making it also a base for installing a finder scope. The handle itself has been extended by 60mm, which makes the tube rings more convenient to fix the astrograph.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eThe total weight of the tube ring is only 780g. The thumb screws enable easy opening and locking of the tube rings. Meanwhile, the base of the tube rings is heightened, providing more space.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eThe standard Vixen dovetail plate is compatible with most equatorial mounts and bases on the market. We extended the length and added screw holes, making the plate becoming 290mm which is more easy to balance on the mounts. With the slot on the handle, the spacing between the tube ring can be adjusted as desired. Additionally, there is also a Losmandy dovetail plate available for purchase, to be used with different equatorial mounts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/3_480x480.jpg?v=1695222062\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Askar 120APO has two optional accessories(now): a 1x flattener, and a 0.8x reducer. Both of them have built-in filter threads which allow direct filter mounting. Also, they have M54\/M48 adapters which are convenient for attaching accessories.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eThe 1x flattener does not change the telescope's focal ratio itself. After connecting with the Askar 120APO, it still maintains a focal ratio of f\/7. The flattener corrects field curvature and coma, resulting in flatter field edges and finer star points.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eThe 0.8x reducer can bring the Askar 120APO's focal ratio down to f\/5.6. This is a standard reducer with field flattening capabilities as well. A shorter focal ratio allows the OTA to have a wider field of view and faster exposure times, making it suitable for capturing large areas of nebulae, star clusters, and faint, fast-moving celestial objects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eIn terms of visual observations, the Askar 120APO pays great attention to observation quality. It can easily achieve focus when connected to 1.25\" or 2\" diagonals or various eyepieces. Because of the segmented lens tube design, it can also be attached to binoviewer for visual observation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/4_480x480.jpg?v=1695222113\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/6_480x480.png?v=1695222151\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIn terms of the focuser, Askar 120APO is equipped with a dual-speed rack and pinion large 3.3-inch rigid focuser, which can be compatible with most motorized focusers on the market. There is a high-precision scale on the 10cm focusing travel. The entire focuser barrel is CNC machined with an anti-reflective internal design and matting paint, providing extra measures to eliminate stray light.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eThe rear of the focuser features a 360° high-precision big rotator, along with precise scales for convenient adjustment and saving of rotation angles, enabling precise rotation. It is also equipped with an enlarged rotator locking screw that can easily secure even under high loads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eThe telescope interface at the rear comes with a 1.25\"\/2\" adapter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eThe entire Askar 120APO tube is crafted using high-quality CNC machining, with anodized and surface spray paint treatment. The orange accents on the ivory-white tube add a bright and eye-catching touch, presenting a stylish and elegant overall appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eLet the Askar 120APO accompany you in exploring the magnificent landscapes of the universe and create unforgettable memories. Take action now and embark on your astronomical adventure with the Askar 120APO!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/7_480x480.jpg?v=1695222195\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"e_h3-18 s_summary\" style=\"text-align: center;\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"e_richText-17 s_title clearfix response-transition\"\u003e\n\u003ctable width=\"84.20%\" cellspacing=\"0\" align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\"\u003e\n\u003cp\u003e\u003cstrong\u003eParameters\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eAperture size\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e120mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFocal length\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e840mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eFocal ratio\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003ef\/7\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eObjective lens\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eTriplet air-spaced APO (including one ED glass)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eTotal length\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e722mm(when the dew shield is contracted)\u003cbr\u003e804mm(when the dew shield is stretched)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eOTA weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e5.7kg\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eGross weight（including tube ring and dovetail plate）\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e6.5kg\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eRear-end thread type\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e2\"\/1.25\" visual adapters\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eStandard package items\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003ean 120APO OTA, a pair of tube rings, a handle, an Askar 290mm Vixen dovetail plate, an Oxford cloth case，a manual\u003c\/strong\u003e\u003c\/p\u003e\n\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 style=\"text-align: center;\"\u003eProduct Size Diagram\u003c\/h3\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/8_480x480.jpg?v=1695222312\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eOptical Path Diagram\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/9_480x480.jpg?v=1695222475\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eSpot Diagram\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/11_480x480.jpg?v=1695222529\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/22_480x480.jpg?v=1695222559\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cspan\u003eAskar 120APO 1x Full-frame Flattener\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Askar 120 APO comes with three optional premium accessories, a 1.0x flattener and a 0.8x reducer. Introduced here is the 1.0x flattener， which is optimized for the Askar 120APO， and can provide more possibilities for telescope use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 1x flattener does not change the telescope's focal ratio itself. After connecting with the Askar 120APO, it still maintained a focal length of 6.8. The flattener corrects field curvature and coma, resulting in flatter field edges and finer star points.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003cspan\u003eThe 1.0x flattener adopts a triplet design and supports a 44mm full-frame image circle. The overall weight is 0.76kg. The back focus from the M48 thread is a standard 55mm. The front thread is M84*1. At the camera end, it is equipped with M54*0.75 and M48*0.75 two sizes of adapters, which are convenient for connection. At the same time, it has a built-in M48*0.75 2-inch filter thread, which can be directly installed and used. The overall CNC machined, both end threaded metal caps prevent ash when not in use.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"e_h3-18 s_summary\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"e_richText-17 s_title clearfix response-transition\"\u003e\n\u003ctable width=\"84.20%\" cellspacing=\"0\" align=\"center\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\"\u003e\n\u003cp\u003e\u003cstrong\u003e1x Flattener Parameter\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e（After attaching）120APO Focal length\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e840mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003e（After attaching）120APO Focal ratio\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003ef\/7\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cb\u003eLens Number\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eTriplet design\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eBack Focus\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e55mm（from the base of M48 male thread）\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003e0.76kg\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cstrong\u003eRear-end thread type\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\n\u003cp\u003e\u003cstrong\u003eM54×0.75\u003cbr\u003eM54×0.75-M48×0.75(M48×0.75 filter thread inside)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/2_41885795-42ec-45df-9924-6fa0ff625067_480x480.jpg?v=1695223095\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/3_17a154fd-7ddc-4b22-b587-737bf0fd2849_480x480.jpg?v=1695223144\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":44018120458353,"sku":"USED081101","price":1949.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/2_eb58bcb2-fe0c-499b-9c9d-c2e1d7aa33b8.jpg?v=1786475138","url":"https:\/\/khanscope.com\/products\/askar-120-mm-f-7-apo-ed-triplet-refractor-with-free-1-0x-askar-flattener-pre-owned","provider":"Khan Scope Centre","version":"1.0","type":"link"}