SV172 Dew Heater Strip 400mm for Telescopes and Cameras
2 | ReviewsKey Features
- Effective Dew Prevention
- Optimal Length for Larger Optics
- Durable & Weather-Resistant
- Energy Efficient
- Simple Installation
Customer Reviews
Roman Blazak
Dec 24, 2025
The heater strap works great, just as expected.
Philip Duggan
Dec 23, 2025
Fits perfectly and well Made item
| Model | W9132A | W9132B | W9132C |
| Total Length | 320mm | 400mm | 480mm |
| Heater Length | 240mm | 320mm | 400mm |
| Interface Type | USB Type-A | USB Type-A | USB Type-A |
| Input Voltage | DV 5V | DV 5V | DV 5V |
| Input Current | 1.45A~1.55A | 1.8A~1.95A | 1.9A~2.2A |
| Power | 7.25W - 7.75W | 9W – 9.25W | 9.5W-9.75W |
| Temperature Adjustable | Yes | Yes | Yes |
| Power Cable Length | 1.8m | 1.8m | 1.8m |
| Strip Material | Imitation OK cloth + SBR + Black-T +Aluminum Film+ PU | ||
| Power cord material | Nylon | Nylon | Nylon |
| Fit for OTA | SV503 70ED |
SV48P 90, SV503 80ED, SV550 80APO
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1. Designed for astronomy telescopes and compatible with DSLR camera lens, protecting optical devices like telescope and camera from fogging or freezing
2. It can be used for heating baby bottles or feeding bottles indoors or outdoors
3. 3 gear regulator with strong-medium-weak heating modes, you can adjust the temperature in different situations
4. 50mm narrow width design, when you use it, it will not block your field of view and will not have dark corners in the field
5. Imitating OK cloth, SBR and Black-T three-layer keep warm material fits the lens better, when you use it, it can heat fast and even
6. Alloy fiber heating wire provides super fast and continuous warming, silicone insulation process can prevent internal short circuit, it is very safe
