{"product_id":"askar-50p-f-3-8-apo-refractor","title":"ASKAR 50P f\/3.8 APO REFRACTOR","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eAskar 50P\u003c\/strong\u003e is an \u003cstrong\u003eapochromatic quadruplet flat-field astrograph \u003c\/strong\u003ethat offers high performance in a compact package. The fast Petzval design makes it perfect for wide-angle astrophotography, with one \u003cstrong\u003eSuper-low dispersion glass\u003c\/strong\u003e (SD) element that minimizes chromatic aberration.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_7_1000.jpg?v=1780286295\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eLike many Askar refractors, the 50P does not need an external field flattener. While its image circle covers sensors as large as APS-C, it excels at imaging with 1\" sensors. The OTA itself \u003cstrong\u003eweighs just 1.4kg\u003c\/strong\u003e and has an \u003cstrong\u003eoverall length of 147mm\u003c\/strong\u003e with the dew shield contracted, making it easy to transport. Its compact size means it can also be used as premium guide scope.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_9_1000.jpg?v=1780286294\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe sing-speed \u003cstrong\u003ehelical focuser \u003c\/strong\u003eis smooth and familiar to anyone who has used traditional camera lenses. Optional autofocusers like the ZWO EAF can be attached with the additional belt drive kit (sold separately). \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRear \u003cstrong\u003eM54 x 0.75 and M48 x 0.75 threads \u003c\/strong\u003eprovide a straightforward connection to common imaging trains. Built-in M48 filter threads allow standard 2\" mounted filters to be added. The front of the telescope features an M52 filter thread for use with common terrestrial photography filters.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike most refractors, the 50P includes \u003cstrong\u003etwo finderscope bases\u003c\/strong\u003e on either side of the focuser, allowing you to attach both a standard guide scope and control unit such as the \u003cstrong\u003eASIAIR\u003c\/strong\u003e without the need for additional accessories. The \u003cstrong\u003ehandlebar\u003c\/strong\u003e also includes a finder-style slot, allowing for even more possibilities.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe inner surfaces of the retractable dew shield are covered with matte felt and the interior of the telescope tube has matte paint and internal baffles, to reduce internal reflections and light scattering.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_15_1000.png?v=1780286294\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_16_1000.png?v=1780286294\" alt=\"\"\u003e\u003c\/div\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" style=\"width: 100%;\" class=\"MsoNormalTable\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"mso-yfti-irow: 1;\"\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 36.0385%;\"\u003e\u003cb\u003eOptical design\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan\u003eApochromatic air-spaced quadruplet with SD glass\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003eObjective diameter\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e50 mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003e\u003cspan\u003eFocal \u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cb\u003elength\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e190 mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003eFocal ratio\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003ef\/3.8\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003e\u003cspan\u003eResolving power\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e2.32 arc second\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003eStellar limiting magnitude\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan\u003e11.19\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003e\u003cspan\u003eMax. magnification\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan\u003e125 x\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cb\u003eLight gathering power\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan\u003e51.02 times the human eye\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cb\u003e\u003cspan\u003eMount attachment\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e160 mm Vixen-style dovetail plus finder-style base\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cb\u003e\u003cstrong\u003eFocuser\u003c\/strong\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan\u003eSingle-speed helical focuser\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cstrong\u003eTube weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan\u003e1.4 kg\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cb\u003eTube \u003c\/b\u003e\u003c\/span\u003e\u003cb\u003elength\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan\u003e147 mm (182 mm with dew shield extended)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cb\u003e\u003cspan\u003eTube diameter\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e65 mm\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cb\u003e\u003cspan\u003eDew shield diameter\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan\u003e70 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cb\u003e\u003cstrong\u003eConnections\u003c\/strong\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 55.9615%;\"\u003e\u003cspan\u003eM64 x 1, M54 x 0.75, M48 x 0.75\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cb\u003e\u003cspan\u003eFocus point (imaging mode)\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 5.5pt; width: 55.9615%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cspan\u003e65 mm from M48 thread, 69.5 mm from M54 thread\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 36.0385%;\"\u003e\n\u003cp style=\"margin-bottom: .0001pt; line-height: normal;\"\u003e\u003cb\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 55.9615%;\"\u003e\u003cspan\u003eAS-50P\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_12_1000.png?v=1780286294\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_13.png?v=1780286296\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_13_1000.png?v=1780286295\" alt=\"\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch5\u003e Items included\u003c\/h5\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_10_1000.jpg?v=1780286294\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e50P OTA\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTube ring\u003c\/li\u003e\n\u003cli\u003eHandle bar\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePair of finder saddles\u003c\/li\u003e\n\u003cli\u003e160mm Vixen bar\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eM54 - M48 adapter\u003c\/li\u003e\n\u003cli\u003eManual\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eInstructions\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_14.png?v=1780286295\" target=\"_blank\" rel=\"noopener\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_14_1000.png?v=1780286295\" alt=\"\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch5\u003eDownloads\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" class=\"MsoNormalTable\" style=\"width: 55.9146%; margin-left: auto; margin-right: auto;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 22px;\"\u003e\n\u003ctd style=\"background: #f1f1f1; padding: 5.5pt; width: 100%; height: 22px;\"\u003e\n\u003cimg height=\"27\" width=\"27\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/009-telescope-small.png?v=1580188157\" alt=\"\"\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/50P_User_s_Manual.pdf?v=1780286394\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eInstruction manual\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/71F_Flat-Field_User_s_Manual.pdf?v=1714449411\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eGallery\u003c\/h5\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_sample1.jpg?v=1780286395\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_sample1_1000.jpg?v=1780286295\" alt=\"\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003eRho Ophiuchi cloud complex | Askar 50P, ZWO ASI2600MC.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_sample2.jpg?v=1780286396\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_sample2_1000.jpg?v=1780286296\" alt=\"\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003eMonoceros | Askar 50P, ZWO ASI2600MC.\u003c\/em\u003e\u003c\/p\u003e","brand":"Testar Australia","offers":[{"title":"Default Title","offer_id":48429186351329,"sku":"AS-50P","price":549.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/ASA-50P_1_1000.jpg?v=1780286295","url":"https:\/\/www.testar.com.au\/products\/askar-50p-f-3-8-apo-refractor","provider":"Testar Australia","version":"1.0","type":"link"}