Astromania Dew Strap Heater for Telescope & DSLR Camera 25cm DC Lens Warmer | For Optics Less Than 3.15inch In Diameter,Flexible Tape to Perfect Fit,($20.97Value)

Description

Widely Applicable: Can be adjusted and used according to the lens size; and is suitable for most telescopes; cameras; and other lenses with an outer diameter of less than 80mm "3.15 inches" DC Lens Warmer: Protects the lens of your digital camera or finder scope from freezing by chilling fog and dew; enabling the devices to function properly at night when the temperature drops or places with bad weather Stepless Temperature Regulation: This product is equipped with a stepless temperature regulation controller; by sliding the knob on the controller; you can adjust the temperature according to different needs Quick Use and Removal: which not only allows the defogging belt to fit your lens; but also allows you to quickly disassemble and adjust the length you need DC Port Design: It is very handy to use because you can connect it either to your power bank or any other power source with a DC port; Specific Dimensions of DC Female Port: Outside Diameter: 5.5mm and Inside Diameter: 2.1mm Astromania 25cm DC Lens warmer protects the lens of your camera or telescope before freezing and fogging. Perfect for taking pictures overnight or morning in somewhere with high humidity. It runs on DC port, which is convenient for use in the open air. It prevents condensation by warming up the lens on a camera or telescope.