{"product_id":"svbony-sv550-80mm-f6-triplet-apo-refractor-telescope-ota","title":"SVBONY SV550 80mm f\/6 Triplet APO Refractor Telescope OTA","description":"\u003ch2\u003eSVBONY SV550 80mm f\/6 Triplet APO Refractor OTA\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSVBONY SV550 80mm f\/6\u003c\/strong\u003e is a premium \u003cstrong\u003etriplet apochromatic refractor telescope\u003c\/strong\u003e designed for both \u003cstrong\u003evisual astronomy and deep-sky astrophotography\u003c\/strong\u003e. With its compact 80mm aperture, fast \u003cstrong\u003e480mm focal length\u003c\/strong\u003e, and travel-friendly footprint, it is an outstanding choice for wide-field nebula imaging, star clusters, Milky Way targets, and grab-and-go visual observing.\u003c\/p\u003e\n\n\u003ch3\u003eTriplet APO Optics with S-FPL51 ED Glass\u003c\/h3\u003e\n\u003cp\u003eAt the heart of the SV550 is a precision \u003cstrong\u003e3-element apochromatic objective\u003c\/strong\u003e using \u003cstrong\u003eone S-FPL51 low-dispersion ED element\u003c\/strong\u003e paired with two correction elements. This advanced triplet design delivers excellent colour correction, dramatically reduces blue fringing, and produces pinpoint stars with excellent contrast across the frame.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1050\/4506\/6060\/files\/6385786260865097382914658.jpg?v=1776250446\" alt=\"SVBONY SV550 80mm triplet APO refractor telescope\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003ePrecision 3-Element Objective for Cleaner Stars\u003c\/h2\u003e\n\u003cp\u003eThe apochromatic triplet lens structure is optimised for astrophotography, improving overall sharpness and edge correction while maintaining natural star colour fidelity. This makes the SV550 80mm an excellent match for modern cooled CMOS cameras and full-frame imaging setups when paired with a field flattener.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1050\/4506\/6060\/files\/6385786268366263966649124.jpg?v=1776250446\" alt=\"SVBONY SV550 80mm triplet APO optical design\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003e2.5\" Dual-Speed 1:10 Focuser\u003c\/h2\u003e\n\u003cp\u003eThe oversized \u003cstrong\u003e2.5-inch rack-and-pinion focuser\u003c\/strong\u003e with \u003cstrong\u003e1:10 fine focus reduction\u003c\/strong\u003e provides smooth, accurate focusing for both visual use and long-exposure imaging. The wider focuser base also helps reduce vignetting when connecting larger full-frame cameras and imaging trains.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1050\/4506\/6060\/files\/6385786269457637911148658.jpg?v=1776250446\" alt=\"SVBONY SV550 80mm 2.5 inch dual-speed focuser\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eInternal Stray Light Suppression\u003c\/h2\u003e\n\u003cp\u003eFour internal \u003cstrong\u003elight suppression baffles\u003c\/strong\u003e are built into the optical tube to minimise internal reflections and stray light interference. This improves background darkness, contrast, and overall image quality—especially valuable when imaging faint nebulae and star fields.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1050\/4506\/6060\/files\/6385786270626150129582176.jpg?v=1776250446\" alt=\"SVBONY SV550 internal baffling stray light suppression\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWide-Field 480mm Focal Length\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e480mm focal length\u003c\/strong\u003e offers an ideal balance between field of view and resolution, making this refractor superb for larger deep-sky objects such as the North America Nebula, Rosette, Heart \u0026amp; Soul, Andromeda Galaxy, and wide Milky Way mosaics.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1050\/4506\/6060\/files\/6385786271835488327914161.jpg?v=1776250446\" alt=\"SVBONY SV550 80mm 480mm focal length APO refractor\"\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1050\/4506\/6060\/files\/6386891697345894694624712.jpg?v=1776250446\" alt=\"SVBONY SV550 80mm focuser adapter and field flattener compatibility\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eEasy Field Flattener Installation\u003c\/h2\u003e\n\u003cp\u003eFor astrophotographers using the \u003cstrong\u003eSV209 field flattener\u003c\/strong\u003e, the rear 2-inch adapter can be easily removed by loosening the three side screws with an Allen key. This allows direct threaded installation for a more secure imaging train and optimised back-focus spacing.\u003c\/p\u003e\n\n\u003cp\u003eIf the focuser adapter ever loosens during use, the same screws can be re-tightened to restore perfect mechanical stability.\u003c\/p\u003e","brand":"Svbony","offers":[{"title":"Default Title","offer_id":57297556570444,"sku":"F9381A","price":479.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/4506\/6060\/files\/svbony-sv550-80mm-ed-x2-f6-triplet-telescope-apo-ota-237053.webp?v=1776250757","url":"https:\/\/svbonyuk.com\/products\/svbony-sv550-80mm-f6-triplet-apo-refractor-telescope-ota","provider":"SVBONY UK ","version":"1.0","type":"link"}