{"product_id":"svbony-sv192-12v-dew-heater-strip","title":"SVBONY SV192 12V Dew Heater Strip","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/6387028553497953677536650.jpg?v=1791667879\" alt=\"SVBONY SV192 12V dew heater strip key visual\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe SVBONY SV192 is a 12V dew heater strip for telescopes and camera lenses. The 480 x 50 mm heater belt runs from 12V DC through a 5.5 x 2.1 mm female connector, draws 1.7 A ±0.1 A for 19.2–21.6 W, and has a three-speed regulator. It weighs 65 g. SVBONY lists it for optics with an outside diameter below 152 mm (178 mm), and for camera lenses.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20250806191606_7859_20260810095957_4646.webp?v=1791665240\" alt=\"SVBONY SV192 12V dew heater strip product view\" 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 your rig already runs on 12V — a power box, battery or mains supply — and you want more heating power than a 5V USB strip delivers, for refractors, small Maksutovs and SCTs, or camera lenses on damp nights.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V DC input:\u003c\/strong\u003e 5.5 x 2.1 mm female interface, compatible with common 12V power sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e19.2–21.6 W output:\u003c\/strong\u003e roughly twice the power of the 5V USB SV172 strips, for faster warm-up and heavier dew.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-speed regulator:\u003c\/strong\u003e a fast initial heat, then medium or weak settings for steady running.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50 mm belt width:\u003c\/strong\u003e sits behind the front optic without affecting focus or causing vignetting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-layer insulation:\u003c\/strong\u003e imitated OK cloth, SBR and Black-T reduce heat loss, with a built-in aluminium film spreading heat evenly with no cold spots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTPE silica power cord:\u003c\/strong\u003e 1 m long, stays flexible at low temperatures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/2_20250806191608_9214.jpg?v=1791665240\" alt=\"SVBONY SV192 dew heater strip features\" 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\/3_20250806191610_7168.jpg?v=1791665240\" alt=\"SVBONY SV192 dew heater strip construction detail\" 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\u003eRefractor and catadioptric dew prevention:\u003c\/strong\u003e keeps the objective or corrector clear through long sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamera lenses:\u003c\/strong\u003e wide-field and nightscape imaging in humid conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrost-prone nights:\u003c\/strong\u003e the higher wattage helps keep optics clear when dew would otherwise freeze.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/4_20250806191612_7606.jpg?v=1791665240\" alt=\"SVBONY SV192 dew heater strip in use\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e SVBONY lists the SV192 for optics with an outside diameter below 152 mm (178 mm). To confirm, measure the circumference where the strip will sit and compare it with the 480 mm belt; send us the figure and we will check it with you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e a 12V DC source with a 5.5 x 2.1 mm output and at least 1.8 A available, such as a power box, battery or regulated supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower boxes with RCA outputs:\u003c\/strong\u003e those connect through a 5.5 x 2.1 mm adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/5_20250806191615_4845.jpg?v=1791665240\" alt=\"SVBONY SV192 dew heater strip compatibility\" 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\/6_20250806191617_1297.jpg?v=1791665240\" alt=\"SVBONY SV192 dew heater strip power connection\" 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\u003e12V only:\u003c\/strong\u003e this strip does not run from a USB port. For USB power, SVBONY offers the SV172 series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBelt size:\u003c\/strong\u003e this listing is the 480 mm belt (W9151A). SVBONY also makes a 560 mm belt (W9151B); get in touch if you need the longer size.\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. Wrap the belt around the dew shield or lens just behind the front optic, fasten it, plug it into a 12V supply and set the regulator.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is it different from the SV172?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe SV192 runs on 12V at about 20 W through a 5.5 x 2.1 mm plug; the SV172 runs on 5V USB at 7–10 W. The SV192 heats faster and copes with heavier dew, and the SV172 runs from a USB power bank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size telescope does it fit?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSVBONY lists optics with an outside diameter below 152 mm (178 mm), plus camera lenses.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIn short: a 65 g, 12V dew heater strip with a 480 x 50 mm belt, about 20 W of heat and a three-speed regulator, for telescopes under 152 mm OD and camera lenses.\u003c\/p\u003e","brand":"SvBony","offers":[{"title":"480mm","offer_id":67721428172911,"sku":"W9151A","price":25.78,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/1_20250806191606_7859_20260810095957_4646.webp?v=1791665240","url":"https:\/\/ontariotelescope.com\/products\/svbony-sv192-12v-dew-heater-strip","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}