USB Lens Heater, USB Heater Lens Heater, 450mm Lens Heater for DSLR Camera Telescope Prevent Dew, Fog and Condensation

• Custom lens heater for cold weather photography: With an efficient heating length of 320mm, it prevents condensation, fog and condensation. For optimal performance and even heating, it is suitable for lenses or glasses with an outer diameter of 80mm to 120mm. The narrow width of 50 mm does not interfere with focusing, there are no dark corners in the field of view, and the width reduces interference from other accessories on the lens tube.
• USB POWERED:Connects to USB power adapter, portable charger or other power source with 5V 2A USB output. The 1.5m USB cable makes the projector ideal for indoor and outdoor use. Thanks to the Velcro closure of the defrost strip, it not only fits well around the lens, but also can be removed and adjusted quickly and easily.
• 5 Temperature Settings: The temperature controller offers 5 temperature settings: I/= 50°C, Ⅱ= 55°C, III=60°C, = 65°C, = 70°C. Composite fiber heating wire and neoprene rubber stickers ensure fast, uniform and safe heat production and reduce heat dissipation.
• 5 LEVELS TIME CONTROL The temperature timer offers 5 levels time control: 20, 30, 40, 50, 60 minutes. 5-level time control allows reasonable time management as needed.
• Other Uses As a multifunctional heater with a total length of 450mm (including connectors), it can also keep your milk bottles and coffee cups warm in winter or keep your wrists, elbows and ankles warm when they get cold.

USB Lens Heater, USB Heater Lens Heater, 450mm Lens Heater for DSLR Camera Telescope Prevent Dew, Fog and Condensation