USB Dew Control Band for Telescope and Camera Use, 3 Mode Control and Fabric Outer Layer for Humid Night Viewing 24cm

Features: Clearer Optics In Damp Air: This heater strap adds gentle warmth around lenses and small optical tubes to help reduce dew buildup during late observing hours, backyard use, and outdoor camera work. 3 Heat Mode Control: An inline controller with high, middle, and low settings helps you adjust warmth as humidity changes during evening viewing or outdoor camera use without extra setup steps. Wraparound Nylon Structure: The flexible wrap design goes around compatible optical barrels with tidy placement, while the nylon outer layer supports neat packing in gear bags, field kits, and travel cases. Built For Night Use Scenarios: Use this strap when cool air and damp conditions can affect viewing clarity, whether you are watching stars, framing long exposure photos, or setting up optics at camp or in the yard. USB Powered Field Convenience: The USB-A connection and 5V 2A input design fit common power setups, giving you a practical warming accessory for portable astronomy kits and location photography gear. Specifications: Component: Nylon Size: 24cm, 32cm, 40cm Quantity: 1 Piece Applicable Model: for SV172 astronomical telescope lens and camera lens Package Includes: 1 Piece Lens Heater Strap note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.