Dew Heater Strip Dn40Cm 5V For Telescopes And Camera Dslr Lens

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Dew Heater Strip DN40cm 5V for Telescopes and Camera DSLR Lens
Description
Super fast and continuous warming with fast start up of 5 seconds to heat
Protects the lens of your digital camera or finder scope from freezing by chilling fog and dew,;enabling the devices to function properly at night when the temperature drops or places with bad weather
Based on the USB port design;it is very handy to use because you can connect it either to your power bank or any other power source with a USB port
DN40: the length is 40cm, for outside diameter: 13cm, lens UV size is less than 110mm
With adjustable diameter and easy adherence;this dew heater strip fits to most size of telescope;finder scope;digital camera;One heater strip to warm them all
Product Description
Dew heater bands are used to prevent condensation on optical surfaces in cooler weather.
The most common source of moisture is dew, however; moisture from your own eye can also condense on an eyepiece in extremely cold weather.
When is comes to dew, the best defense is a good offense. Simply maintaining the temperature of your optical surfaces above the dew point will prevent condensation from happening.
The most problematic optical surfaces, listed in order of their susceptibility are as follows:
1) Corrector Plates on Schmidt-Cassegrain Telescopes,
2) Meniscus lenses on Maksutov Cassegrain Telescopes,
3) Objective lenses on Refractors,
4) Eyepiece eye lenses in very cold weather. Thousand heater bands are wrapped around the outside of the area to be heated, such as around the metal cell of a corrector plate or objective lens.
They attach themselves using a built in Velcro elastic strip. In the case of an eyepiece, the band wraps around the eyepiece itself.
Heated evenly
After connecting your power, the SVBONY Dew Heater Strip will give your lens a uniform heating temperature
Not only can you use it in various environments, you can also use the SVBONY Dew Heater Strip on objective lens, eyepiece, guide lens, starfinder, of course, you can also use the SVBONY Dew Heater Strip on your SLR camera lens
High-quality material structure
The perfect combination of stylish yellow and black makes you feel more advanced in use
The elastic yellow extension strap allows you to adjust appropriately to the size of the lens
Anti-slip protection of leather layer; Not only can it play a certain non-slip effect, but it can also provide a continuous flow of heat to your lens to avoid fog or moisture to affect your lens use
Diverse power connection methods
You can connect the SVBONY Dew Heater Strip to a variety of power supplies to meet your needs in different observation environments
Your connected power supply only needs to meet two requirements:
Voltage：5V
power bank is required for 2A
Specification:
Cloth covered with foam insulation on outer side for maximum efficiency and performance
Electrical interface: USB Power Bank is required for 2A
Voltage: 5V
maximum power: <10W
Width: 50 mm
Weight: 73g/2.56oz
DN40cm
DN40: the length is 40cm, for outside diameter: 13cm, lens UV size is less than 110mm
Package Includes:
1 x DN40cm Dew Heater Strip
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