NEEWER 16"/400mm USB Lens Heater Warmer for Camera Telescope, Dew Heater Strip with 3 Temperature Levels, Prevents Dew Fog Condensation for DSLR Mirrorless Cam Binocular Astrophotography, HW-29B

【Fast Heating Lens Warmer】 NEEWER HW-29B USB lens warmer is equipped with an upgraded heating element that quickly and steadily raises your lens temperature above the dew point. This efficient warming system effectively prevents fog, dew, and condensation, ensuring a clear view in cold or humid environments and allowing you to shoot longer without interruption 【Lightweight & Wide Compatibility】 With a 16"/400mm length, this lens heater fits camera lenses, telescopes, and binoculars up to 3.39"/86mm in diameter. Crafted from lightweight materials, this portable lens heater delivers gentle warmth without adding bulk to your gear. Ideal as content creator essential and influencer must have photography accessories 【3 Temperature Levels Available】 Featuring a built-in temperature regulator, this dew heater strip offers three heat settings: High (55-65°C), Medium (45-55°C), and Low (35-45°C). Easily adapt to different weather conditions, from chilly nights to humid mornings, effectively preventing lens fogging 【USB Powered with Long Cable】 Compatible with any 5V USB power source, including portable chargers, laptops, and USB adapters, this lens heater ensures uninterrupted use during outdoor shoots or travel. Its 4.9ft/1.5m USB cable offers extra length for flexible use 【Touch Fastener Design for Secure Fit】 Equipped with practical touch fasteners, the USB lens heater wraps securely around your lens or scope, allowing for quick and effortless adjustment to achieve a snug, customized fit