{"product_id":"sky-rover-hfw-zoom-aspheric-eyepeice-7-7-15-4mm","title":"SKY ROVER HFW ZOOM ASPHERIC EYEPEICE 7.7 - 15.4mm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSky Rover HFW 7.7 - 15.4mm zoom eyepiece \u003c\/strong\u003efeatures a brand-new optical and mechanical design, making it \u003cstrong\u003ehighly versatile \u003c\/strong\u003efor both daytime terrestrial viewing and nighttime astronomical observation.\u003c\/p\u003e\n\u003cp\u003eIn most conventional zoom eyepieces, the field of view becomes noticeably narrower at lower magnifications, with significant variation across the zoom range. The SR 7.7 - 15.4mm zoom eyepiece has been greatly improved in this regard — whether zooming from low to high power or vice versa, the \u003cstrong\u003eapparent field of view remains consistent throughout\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe introduction of \u003cstrong\u003easpheric lens elements \u003c\/strong\u003efurther enhances edge sharpness and overall image quality. Each optical surface features \u003cstrong\u003ebroadband multi-layer coatings. \u003c\/strong\u003eIn addition, the body is \u003cstrong\u003efully blackened\u003c\/strong\u003e for high contrast and stray light suppression.\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HFW 7.7 - 15.4mm zoom eyepiece includes both 2\" and 1.25\" connections, as well as \u003cstrong\u003e1.25\" and M48 x 0.75 filter threads\u003c\/strong\u003e, allowing you to attach a wide range of visual filters.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003e18 - 20\u003c\/strong\u003e\u003cstrong\u003emm of eye relief\u003c\/strong\u003e and foldable eyecup, the Sky Rover HFW zoom eyepiece is very comfortable to use, even with glasses. \u003cstrong\u003eClickstops throughout the zoom range\u003c\/strong\u003e allow you to easily identify magnification levels when observing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: \u003c\/strong\u003eThis eyepiece cannot reach focus when directly connected to the Sky Rover 70mm, 82mm, 100mm and 120mm Giant Binoculars, 100mm ED Binoculars, and 70mm, 82mm, 100mm and 120mm APO Binoculars.\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cp\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: 51.4681%; height: 19.6px;\"\u003eFocal length\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 48.0502%; height: 19.6px;\"\u003e7.7 - 15.4 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: 51.4681%; height: 19.6px;\"\u003eBarrel\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 48.0502%; height: 19.6px;\"\u003e1.25\", 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 51.4681%; height: 19.6px;\"\u003eLens elements\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 48.0502%; height: 19.6px;\"\u003e10 elements in 6 groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 51.4681%; height: 19.6px;\"\u003eCoatings\u003c\/th\u003e\n\u003ctd style=\"width: 48.0502%; height: 19.6px;\"\u003eFully multi-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 51.4681%; height: 19.6px;\"\u003eEye relief\u003c\/th\u003e\n\u003ctd style=\"width: 48.0502%; height: 19.6px;\"\u003e18 - 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 51.4681%; height: 19.6px;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 48.0502%; height: 19.6px;\"\u003e520 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"text-align: left; width: 51.4681%; height: 19.6px;\"\u003eSKU\u003c\/th\u003e\n\u003ctd style=\"width: 48.0502%; height: 19.6px;\"\u003eSR-HFW7.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Testar Australia","offers":[{"title":"Default Title","offer_id":47562314055905,"sku":"SR-HFW7.7","price":579.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0071\/4935\/5059\/files\/HFW7.7_1000.jpg?v=1764904731","url":"https:\/\/www.testar.com.au\/products\/sky-rover-hfw-zoom-aspheric-eyepeice-7-7-15-4mm","provider":"Testar Australia","version":"1.0","type":"link"}