AliExpress.io
LAIDA-Dew Heater Strip, Warmer for Finder Scope or Guide Scope, 8.46in, 215mm LD2039D

LAIDA-Dew Heater Strip, Warmer for Finder Scope or Guide Scope, 8.46in, 215mm LD2039D

54+ sold
$19.90
0% OFF
Buy on AliExpress

You will be redirected to AliExpress to complete your purchase

Specifications

Brand Name
LAIDA
Total Length
390mm / 15.35in
Type
Monocular
High-concerned chemical
None
Heating Length
215mm / 8.46in
Model Number
Dew Heater Strip
Power (W)
7.25W
Origin
Mainland China
Width
50mm
Interface Type
USB
Input Voltage
DV 5V
Input Current
1.45A
Power Cable of Length
1.5m / 59.06in
Position Thermostat of Length
0.3m / 11.81in
Fit for
Below 2.67in /68mm O.D
Choice
yes
semi_Choice
yes

Product Description

Attention all astronomers:

The size of the compatible telescope or camera lens described in the fog removal tropical copy refers to the outer diameter of the telescope rather than the effective aperture of the telescope objective or lens. Usually, the outer diameter of your telescope will be about 20-25mm larger than the effective aperture of your telescope objective. For example: your telescope is 80mm in diameter, usually you need to buy a heating cable compatible with 100mm lens barrel to meet your needs.

Features:

1.Safe usage and short circuit prevent. Silicone insulation process prevents internal

short circuit

2.The built-in aluminum film conduct even heating surface, no dead angle left

3.50mm width design does not interfere focusing

4.Compatible with finder scope or mini guide scope outer diameter below 2.67in /68mm.

Specification:

1.Dew Heater Strip of effective Length: 215mm / 8.46in

2.Elastic band of Length: 150mm / 5.91in

3.Width: 50mm / 1.97in

4.Dew Heater Strip Total of length: 390mm / 15.35in

5.Fit for: Below 2.67in /68mm O.D

6.Interface Type: USB Type-A

7.Input Voltage: 5V

8.Input Current: 1.45A

9.Power: 7.25W

10.Temperature Adjustable: Yes (Hot-3)

11.Power Cable of Length: 1.5m / 59.06in

12.Position Thermostat of Length: 0.3m / 11.81in

13.Power cord material of material: Nylon

14.Net Weight: 57g / 2.03oz

Package Includes:

l215mm Dew Heater Strip

lCarrying Case package

lThree Position Thermostat

Feedback

We work hard to make sure 100% satisfied for every our customer.

Please contact us if there is any issue with your order.


Pros & Cons

Pros

  • Effective 7.25W heating over 215mm length prevents dew on small scopes up to 68mm OD.
  • USB 5V powered with long 1.5m cable for portable astronomy setups.
  • Flexible strip design with thermostat for precise control.
  • Compact 50mm width fits various finder/guide scopes.

Cons

  • Limited to scopes under 68mm OD, not for larger main telescopes.
  • Relies on external 5V USB power, no battery option.
  • Heating length may not fully cover longer optics.
  • Mainland China origin could extend delivery times.

Common Questions

What are the dimensions of the LAIDA Dew Heater Strip?

Total length 390mm (15.35in), heating length 215mm (8.46in), width 50mm; fits below 68mm O.D. scopes.

What power specs does this dew heater have?

7.25W power, DC 5V input at 1.45A via USB interface with 1.5m power cable.

Is it compatible with finder or guide scopes?

Yes, designed for telescopes or lenses up to 68mm outer diameter for astronomy dew prevention.

How do I use the dew heater strip?

Wrap around scope, connect USB to power source; thermostat cable 0.3m for temperature control.

What shipping and origin details?

Ships from Mainland China; includes full cables for immediate use.

Product information last updated on January 6, 2026