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URL: http://www.thaiexcite.com/SvBony-SV172-Dew-Heater-for-Telescopes-and-Camera-Lens-240mm-SVW9132A1-pr-2524.html
SvBony SV172 Dew Heater for Telescopes and Camera Lens, 400mm
รายละเอียด
SvBony SV172 Dew Heater for Telescopes and Camera Lens, 400mm
- Designed for astronomy telescopes and cameras, protecting optical devices like telescopes and cameras from fogging or freezing
- Prevents dew condensation from forming on the glass surface
- Provides even heat distribution. Power-efficient design will not result in an extra drain on your power supply.
- Three-speed regulator strong-medium-weak heating modes, you can adjust the temperature in different situations
- Width of the 50mm narrow width design, will not block your field of view and will not have dark corners in the field
- Great heat preservation effect: Imitating OK cloth, SBR and Black-T three-layer keep warm material fits the lens better, fast and even heating
- Alloy fiber heating wire provides super fast and continuous warming, silicone insulation process can prevent internal short circuit
- Measure the circumference of the telescope tube or camera lens (or measure the tube diameter - not the scope aperture - ×3.14). Compatible with OD of telescopes/lenses below 127mm
Specifications
| 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 |
About SvBony
Svbony started operation in 2009 as a manufacturer of astronomy and sports optical accessories, based in Shenzhen, China. For astronomy, Svbony offerings include a wide range of telescope parts and adapters for both visual and astrophotography. Svbony emphasize on good product quality at affordable prices, and has a distribution network across the world, with US/AU/UK/ES/DE/IT/FR oversea warehouses. Amateur astronomers world-wide recognize Svbony products to be of excellent value. Svbony also has one of the most varieties of hardware adapters for astrophotography - you will likely find a solution to a hardware connection problem you have.