SVBONY SV192 12v Dew Heater Strip Heater Warmer for Telescope/DSLR Camera Lens

Description

Feature:
Designed specifically for astronomical telescopes: protect optical equipment such as telescopes from fogging or freezing. Compatible with astronomical primary mirrors of OD below 178mm or Camera Lenses
5.5X2.1 female interface design，easy connected to various 12V power inputs
Three-speed regulator with medium weak heating mode. You can adjust the temperature according to different usage requirements. Super-fast continuous heating, quick start heating.
The narrow width of 50mm will not interfere with focusing, and will not produce vignetting in the field of view; the width also reduces the interference of other accessories on the lens barrel
Good heat preservation effect: imitating OK cloth, SBR and Black-T three-layer heat preservation material, reducing heat dissipation, and no wrinkles on the inner surface after bending. It is more suitable for the lens barrel and increases the warmth retention effect
Uniform heating: the built-in aluminum film has a uniform heating surface and no dead ends.
TPE Silica of material the power cord low temperature non-become hard
Safe use and prevent short circuit. Alloy fiber heating wire can provide super-fast continuous heating. The silicone insulation process prevents internal short circuits.
Specification:
Brand: SVBONY
Model: SV192
Dew heating belt size: 560 * 50mm
Dew heater strip length: approx.720mm
Interface type: 5.5*2.1
Input voltage: 12V
Input current: 1.7A±0.1A
Power: 19.2W-21.6W
Adjustable temperature: yes
Length: 1m power cord
Strip material of dew heater: imitated OK cloth + SBR + Black-T + aluminum film + Cotton
The material of the power cord: TPE Silica
Net weight: 72g / 2.53oz
The package includes:
560mm Dew Heating Strip
Carrying Mesh Bag
Three-Position Thermostat
User Manual
about svbony
This is a random Mixed LOT of Camera Lenses Etc.
I am not at all an expert on anything camera. Below is a list of what I think is included - please refer to photos for more information
Kodak case included, measures 4.5" x 5.25"
Please let me know if you have any questions or need any additional photos
Lower Left – Meade MH9mm Telescope Eyepiece
Lower Center – No-Name H20mm Telescope Eyepiece
Lower Right – No-Name 2X Barlow Lens
Upper Left – No-Name 2X Erecting Eyepiece
Upper Right – No-Name Eyepiece Extension?