SvBony SV172 Dew Heater for Telescopes and Camera Lens, 400mm

SvBony SV172 Dew Heater for Telescopes and Camera Lens, 400mm

• Designed for astronomy telescopes and cameras, protecting optical devices like telescopes and cameras from fogging or freezing
• Prevents dew condensation from forming on the glass surface
• Provides even heat distribution. Power-efficient design will not result in an extra drain on your power supply.
• Three-speed regulator strong-medium-weak heating modes, you can adjust the temperature in different situations
• Width of the 50mm narrow width design, will not block your field of view and will not have dark corners in the field
• Great heat preservation effect: Imitating OK cloth, SBR and Black-T three-layer keep warm material fits the lens better, fast and even heating
• Alloy fiber heating wire provides super fast and continuous warming, silicone insulation process can prevent internal short circuit
• Measure the circumference of the telescope tube or camera lens (or measure the tube diameter - not the scope aperture - ×3.14). Compatible with OD of telescopes/lenses below 127mm

Specifications