Svbony Dew Heater Strap 76mm

Suitable for optics smaller than 76mm in diameter, for example, camera optics

Designed for astronomy telescopes and compatible with DSLR camera lens, protecting optical devices like telescopes and cameras from fogging or freezing

• 3 gear regulator with strong-medium-weak heating modes, you can adjust the temperature in different situations
• 50mm narrow width design, when you use it, it will not block your field of view and will not have dark corners in the field
• Alloy fiber heating wire provides super fast and continuous warming, silicone insulation process can prevent internal short circuit, it is very safe
• USB-A power cord, use of computer as the power source is not recommended. Please use a power bank or similar power source.