
NEEWER USB Lens Heater Warmer for DSLR Camera and Telescope
Description Effective 12"/300mm Heater Length- Eliminate dew, fog, and condensation with our specially crafted lens warmer during cold weather photography. For optimal performance and even heating, it is recommended to use on lenses or telescopes with a circumference of up to 10.8"/275mm and a diameter of 86mm Effective 16"/400mm Heater Length- Eliminate dew, fog, and condensation with our specially crafted lens warmer during cold weather photography. For optimal performance and even heating, it is recommended to use on lenses or telescopes with a circumference of up to 15"/375mm and a diameter of 120mm Effective 20"/500mm Heater Length- Eliminate dew, fog, and condensation with our specially crafted lens warmer during cold weather photography. For optimal performance and even heating, it is recommended to use on lenses or telescopes with a circumference of up to 18.7"/475mm and a diameter of 150mm USB Power Source- Plug into a USB power adapter, a portable charger, or other power so