{"product_id":"svbony-f9149a-25mm-plossl-eyepiece","title":"SVBONY 25mm Plossl Eyepiece 1.25″ FMC","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6371496238243620362446199.jpg?v=1791669969\" alt=\"SVBONY F9149A 25mm Plossl eyepiece overview\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY F9149A is a 25 mm, 1.25″ Plössl eyepiece. It uses a four-element symmetrical Plössl design in two groups, fully multi-coated, with blackened lens edges and an internally blackened barrel for contrast. It gives a 40° apparent field, accepts standard 1.25″ filters on its M28.5 x 0.6 thread, has a rubber eye guard, stands 72 mm (2.82″) tall and weighs 79 g (2.8 oz). It ships in a protective plastic case.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9149a-1_20250807112316_0136_20260820165408_4446.webp?v=1791670543\" alt=\"SVBONY F9149A 25mm 1.25″ Plossl eyepiece\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis is a good match if you want a dependable medium-low-power eyepiece for a 1.25″ focuser, for general observing of the Moon, planets, double stars and brighter deep-sky objects.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-element Plössl, 2 groups:\u003c\/strong\u003e a symmetrical design known for sharp, well-corrected images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully multi-coated optics:\u003c\/strong\u003e improve light transmission and reduce reflections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlackened lens edges and barrel interior:\u003c\/strong\u003e cut stray light for better contrast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ filter thread (M28.5 x 0.6):\u003c\/strong\u003e takes standard 1.25″ filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber eye guard:\u003c\/strong\u003e blocks side light and helps position your eye.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6371496238244682848180460.jpg?v=1791669969\" alt=\"SVBONY F9149A 25mm Plossl eyepiece fully multi-coated optics\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6371496238251248792246366.jpg?v=1791669969\" alt=\"SVBONY F9149A 25mm Plossl eyepiece blackened barrel and filter thread\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral observing:\u003c\/strong\u003e 25 mm gives moderate magnification, 40x on a 1000 mm telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar and planetary overviews\u003c\/strong\u003e and binary stars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrighter clusters and nebulae\u003c\/strong\u003e at modest power.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel:\u003c\/strong\u003e 1.25″, for any 1.25″ focuser or diagonal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters:\u003c\/strong\u003e standard 1.25″ filters thread into the barrel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarlow:\u003c\/strong\u003e works with a 1.25″ Barlow for higher power.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eWhat's in the Box\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eSVBONY 25 mm Plössl eyepiece, packed in a protective plastic case\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6371496241136305759271047.jpg?v=1791669969\" alt=\"SVBONY F9149A 25mm Plossl eyepiece protective case\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eField of view:\u003c\/strong\u003e 40° apparent; for a wider view at a similar focal length, a wide-angle design is the alternative.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25″ only:\u003c\/strong\u003e it does not fit 2″-only focusers without an adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Slide it into the focuser or diagonal, tighten the thumbscrew and focus.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat magnification will it give?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYour telescope's focal length divided by 25. For example, 40x on a 1000 mm telescope or 26x on a 650 mm one.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I add filters?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. The barrel takes standard 1.25″ filters on its M28.5 x 0.6 thread.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 79 g, fully multi-coated 25 mm 1.25″ Plössl with a 40° field and filter thread, for everyday observing at moderate power.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"Default Title","offer_id":67722323296367,"sku":"F9149A","price":22.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/f9149a-1_20250807112316_0136_20260820165408_4446.webp?v=1791670543","url":"https:\/\/ontariotelescope.com\/products\/svbony-f9149a-25mm-plossl-eyepiece","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}