{"product_id":"observable-space-fsct8-f-2-8","title":"OBSERVABLE SPACE FSCT8 f\/2.8","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003ePrices do not include shipping costs. Contact us for exact shipping prices before purchasing.\u003c\/strong\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Observable Space (PlaneWave) \u003cstrong\u003eFSCT8 f\/2.8 \u003c\/strong\u003eis a \u003cstrong\u003ecompact widefield astrograph\u003c\/strong\u003e designed for a broad range of applications including\u003cstrong\u003e \u003c\/strong\u003eSpace Situational Awareness\u003cstrong\u003e (SSA)\u003c\/strong\u003e, Space Domain Awareness \u003cstrong\u003e(SDA)\u003c\/strong\u003e, professional \u003cstrong\u003eastronomy research \u003c\/strong\u003eand \u003cstrong\u003edeep sky astrophotography\u003c\/strong\u003e. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/FSCT8_wide.jpg?v=1778115743\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUtilizing an \u003cstrong\u003einnovative catadioptric design \u003c\/strong\u003ewith built-in Schmidt corrector plate and field-flattening optics at the focal plane, the FSCT8 offers a \u003cstrong\u003efast f\/2.8 focal ratio\u003c\/strong\u003e, \u003cstrong\u003e568mm focal length \u003c\/strong\u003eand \u003cstrong\u003e42mm image circle\u003c\/strong\u003e. Optical performance is exceptional with 3.6 micron RMS on-axis, 6.0 micron RMS at 16mm off-axis and 6.4 micron RMS at 21mm off-axis.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe rock-solid \u003cstrong\u003efused silica mirrors\u003c\/strong\u003e, \u003cstrong\u003ecarbon fibre construction\u003c\/strong\u003e and light weight of ~9kg without accessories make the FSCT8 a perfect match for a wide variety of equatorial and Alt-Az mounts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eBeing a fast 8\" imaging system, the \u003cstrong\u003eFSCT8 excels at short-exposure, high-SNR captures \u003c\/strong\u003eof large sky areas. This makes the telescope well suited for deep-sky imaging, survey work, and wide-field astronomical applications where speed, field coverage, and optical consistency matter.\u003c\/p\u003e\n\u003cp\u003eAs \u003cstrong\u003eAustralia's PlaneWave experts\u003c\/strong\u003e, we can supply all the components necessary for utilizing complex imaging trains.\u003c\/p\u003e\n\u003cp\u003eCollimation is extremely straightforward, needing only simple adjustment of the three secondary mirror collimation screws. An integrated \u003cstrong\u003ecorrector plate heater \u003c\/strong\u003ekeeps moisture at bay, with an optional external front dew shield available for further protection.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eintegrated focuser \u003c\/strong\u003eprovides 12.7mm of fine-focusing travel, with a generous backfocus distance of 70.79mm from the full-in position. Without the focuser, the telescope provides 100mm of backfocus from the backplate.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOptical system\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"specificationTable\" style=\"width: 100.06%; height: 176.4px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 41.3149%; height: 19.6px;\"\u003eAperture\u003c\/th\u003e\n\u003ctd style=\"width: 56.1211%; height: 19.6px;\"\u003e203.2 mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 41.3149%; height: 19.6px;\"\u003eFocal length\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 56.1211%; height: 19.6px;\"\u003e568 mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 41.3149%; height: 19.6px;\"\u003eFocal ratio\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 56.1211%; height: 19.6px;\"\u003ef\/2.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 41.3149%; height: 19.6px;\"\u003eCentral obstruction\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 56.1211%; height: 19.6px;\"\u003e60% by diameter\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 41.3149%; height: 19.6px;\"\u003eBackfocus from mounting surface\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 56.1211%; height: 19.6px;\"\u003e100 mm (70.79 mm from racked-in focuser)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 41.3149%; height: 19.6px;\"\u003eOTA length\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 56.1211%; height: 19.6px;\"\u003e267 mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 41.3149%; height: 19.6px;\"\u003eOptimal field of view\u003c\/th\u003e\n\u003ctd style=\"width: 56.1211%; height: 19.6px;\"\u003e42 mm image circle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 41.3149%; height: 19.6px;\"\u003eUpper cage\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 56.1211%; height: 19.6px;\"\u003eCarbon fibre tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 41.3149%; height: 19.6px;\"\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 56.1211%; height: 19.6px;\"\u003e9.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary mirror\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"specificationTable\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eOptical diameter\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003e210 mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eOuter diameter\u003c\/th\u003e\n\u003ctd\u003e230 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eMaterial\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003eFused silica (quartz)\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eShape\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003eSpherical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eCoating\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003eEnhanced aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSecondary mirror\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"specificationTable\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eDiameter\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003e114 mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eMaterial\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003eFused silica (quartz)\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eShape\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003eSpherical-convexed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eCoating\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003eEnhanced aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLens group\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"specificationTable\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eDiameter\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003e88 mm\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eCoating\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\u003cspan\u003eBroadband AR coatings\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch5\u003eIncluded items\u003c\/h5\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFSCT8 optical tube\u003c\/li\u003e\n\u003cli\u003eOTA cover to protect the front corrector plate\u003c\/li\u003e\n\u003cli\u003eIntegrated heating elements around corrector plate\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Testar Australia","offers":[{"title":"Default Title","offer_id":48295192101089,"sku":null,"price":10499.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/FSCT8.jpg?v=1778115766","url":"https:\/\/www.testar.com.au\/products\/observable-space-fsct8-f-2-8","provider":"Testar Australia","version":"1.0","type":"link"}