Svbony SV172 Lens Heater Heating Area 430mm USB Type Prevents Condensation and Mold Lens Frost Protection with Temperature Controller Equipped with

Designed for astronomical telescopes and compatible with DSLR camera lenses. Protects optical instruments such as telescopes and cameras from fogging and freezing. Compatible with lenses with an outer diameter of 135mm. It is possible to heat baby bottles and use baby bottles indoors and outdoors. Can be used as a wrist strap or knee strap to protect you from cold weather or emergencies. Equipped with PWM function for more accurate temperature control and adjustment. Adjustment accuracy is 2 degrees. The adjustable temperature range is 20-70 degrees, and the temperature of the heating belt can be adjusted according to the needs of the shooting location, saving power and improving shooting stability. Connect to a power source with a USB port such as a top computer. This design is very convenient. Appropriate width. 50mm narrow width does not interfere with focus and does not produce dark corners of the field. Reduces the interference of other accessories on the lens barrel. Safe use and prevent short circuit. Alloy fiber heating wire provides ultra-fast and continuous heating. Silicon insulation treatment prevents internal short circuits. Have this problem? Is your astronomical telescope or camera lens always blurry and the images not good in winter or humid environment? The reason is that optical instruments such as astronomical telescopes and cameras experience changes in temperature and humidity when exposed outdoors for long periods of time. SVBONY SV172 Dew Heater Strip completely solves the problem. SVBONY SV172 is designed for astronomy telescopes and is compatible with DSLR camera lenses. Protects optical instruments such as telescopes and cameras from fogging and freezing. You can enjoy beautiful scenery even in the cold season. unique design 50mm narrow width design, reduce interference with other accessories on the lens barrel, built-in aluminum film + alloy fiber heating wire. Material: Imitation OK Cloth + SBR + Black T + Aluminum Film + Pure Cotton. 3-layer insulation reduces air heat and radiant heat, and the inner surface does not wrinkle when bent. Installing a lens barrel can store more heat. Built-in aluminum film provides uniform heat conduction and a heating surface with no blind spots. 3 gear regulator The temperature can be adjusted to meet different usage requirements. Ultra-fast and continuous heating that allows you to start heating quickly. We can meet all your needs. SVBONY SV172 is compatible with any lens with an outside diameter of 135mm, such as a telescope lens, camera lens, baby bottle, or wrist, knee. Convenient USB port design SVBONY SV172 can be connected to any power source with a USB port, such as a 5V power bank, car charger, laptop, or desktop computer. This design is very convenient. High versatility SVBONY SV172 heater body is made of flexible cloth material, foldable, very light and portable, so it can be used according to the size of the object. Not only heating strips for telescopes and camera lenses, but also insulation for rice balls, coffee cups, baby bottles, or wrist or knee straps to protect users from cold weather or emergencies. specification: 1. Brand: SVBONY 2.Model: SV172 3.Total length of dew shield heater: 550mm 4. Heating part length: 430mm 5.Interface type: USB Type-A 6.Input voltage: DV 5V 7. Output current: 2A 8. Rated power: 10W 9. Temperature adjustable: Yes 10.Power cable length: 1.2m 11. Dew heater strip material: imitation OK cloth + SBR + black T + aluminum film + cotton 12. Weight (total): 160g/ Package includes: 1ⅹ Condensation heater strip 1ⅹ storage bag 1x data cable 1x Temperature controller 1x User manual