Dew Heater Strip designed for Telescopes and Camera DSLR Lens, linear temperature control devices keep them from fog dew freezing.
|Width||50 mm||50 mm||50 mm|
|Electrical interface||USB Power Bank for 2A|
|For Outside Diameter||below 80mm||below 100mm||below 130mm|
1. Svbony Dew heater strap is an essential accessory that protects your optical tube from excess moisture forming condensation on the corrector lens
2. Cloth covered with foam insulation on outer side for maximum efficiency and performance
3. We provide you with three different sizes to choose from, you can choose it according to your lens diameter