Svbony SV192 Dew Heater 12V for Telescopes and Lens

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SVBONY SV192 Dew Heater is designed specifically for astronomical telescopes. Protect optical OTA and lens from fogging or freezing. Compatible with astronomical primary mirrors an d or Camera Lenses with Outer Diameter below 152mm (Model A) and 178mm (Model B). SBR and Black-T three-layer heat preservation material, reducing heat dissipation, and no wrinkles on the inner surface after bending, increasing the warmth retention effect. the built-in aluminum film has a uniform heating surface and no dead spots. Specifications Item Name SVBONY SV192 Dew Heater SVBONY SV192 Dew Heater Dew heating belt size 480 * 50mm 560 * 50mm Dew heater strip length approx. 640mm approx.720mm Interface Type 5.5X2.1 5.5*2.1 Input voltage 12V 12V Input current 1.4A±0.1A 1.7A±0.1A Power 15.6W-18W 19.2W-21.6W Adjustable temperature Yes Yes Length 1m power cord 1m power cord The material of the power cord TPE Silica TPE Silica Strip material of dew heater imitated OK cloth + SBR + Black-T + aluminum film + Cotton imitated OK cloth + SBR + Black-T + aluminum film + Cotton Net weight 65g / 2.28oz 72g / 2.53oz Show more