{"product_id":"askar-135-mm-f-4-5-apo-telephoto-lens","title":"Askar 135mm f\/4.5 APO Telephoto Lens","description":"\u003cdiv class=\"product-description\" style=\"font-family:Arial,sans-serif;font-size:16px;line-height:1.7;color:#333;\"\u003e\n\n\u003ch1 style=\"font-size:24px;font-weight:bold;\"\u003eAskar 135 mm f\/4.5 APO Telephoto Lens\u003c\/h1\u003e\n\n\u003cp style=\"font-size:18px;margin-top:10px;\"\u003eAs the name implies, the FMA135 is born with a primary objective plus a field flattener. The primary objective features an APO triplet structure with a 30 mm diameter and a 135 mm focal length, one of which is ED glass.\u003c\/p\u003e \u003cp style=\"line-height: 200%;\"\u003eThe flattener contains three elements designed to support APS (Advanced Photo System) sky imaging and to control performance at the edges of the photo. The exquisite optical design is the main contributor to its unparalleled capability in both visual observation and astrophotography, as well as in controlling chromatic aberration. Furthermore, the FMA135 can also function as an excellent finder or guider. Its lightness and grace allow the FMA135 to be connected to various cameras with their respective adapters. Once connected, the FMA135 becomes a 135 mm manual lens, which will offer you a magnificent experience in imaging terrestrial objects.\u003c\/p\u003e \u003cp style=\"line-height: 200%; border: none; padding: 0in;\"\u003eAt the front of the astrograph, there is a 1.25\" female thread suitable for all available 1.25\" filters and a standard M42×0.75 male thread at the rear that can accommodate most standard DSLR or astronomical cameras (an additional adapter is required). Our standard configuration includes a tube ring for installing the Vixen finder base, a 1.25\" eyepiece holder for attaching an eyepiece or a guide camera, as well as a high-quality focuser (with thread) and a setting thread to avoid any deviation in astrophotography.\u003c\/p\u003e \u003cp style=\"line-height: 200%; border: none; padding: 0in;\"\u003eThanks to the ingenious optical design, our FMA135 will surely provide you with an exceptional imaging experience.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:20px;margin-top:30px;\"\u003eMain features\u003c\/h2\u003e\n\n\u003cp\u003eAskar quality for a reliable and fulfilling observation experience.\u003c\/p\u003e\n\n\u003cul style=\"padding-left:20px;\"\u003e\n\n\u003cli\u003eDiameter (mm): 30\u003c\/li\u003e\n\n\u003cli\u003eAperture ratio: f\/4.5\u003c\/li\u003e\n\n\u003cli\u003eNumber of lenses: Triplet\u003c\/li\u003e\n\n\u003cli\u003eFlattener: NO\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size:20px;margin-top:30px;\"\u003eMain technical specifications\u003c\/h2\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;margin-top:10px;\"\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eBrand\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eAskar\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eModel\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eAskar 135 mm f\/4.5 APO Telephoto Lens\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eType\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eApochromatic Refractor\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eDiameter (mm)\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003e30\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eAperture ratio\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003ef\/4.5\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eNumber of lenses\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eTriplet\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eFlattener\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ccc;\"\u003eNO\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003cdiv style=\"background-color:#f0f8ff;padding:15px;margin-top:30px;border-left:4px solid #007acc;\"\u003e\n\n\u003cstrong\u003eFree shipping\u003c\/strong\u003e\u003cbr\u003eTake advantage of free shipping throughout Italy for orders over €199.99!\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":51121281728728,"sku":"FMA135","price":359.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/33045d99ba597bea0d20c173823c4b2c.jpg?v=1764082094","url":"https:\/\/www.giordanoastronomia.it\/en\/products\/askar-135-mm-f-4-5-apo-telephoto-lens","provider":"Giordano Astronomia","version":"1.0","type":"link"}