SVBONY SV192 12V Dew Heater Strip helps prevent dew and condensation on telescope optics and camera lenses during long observing or imaging sessions. Gentle, even heating keeps glass surfaces clear in cold and humid conditions. Available in 480mm or 560mm lengths.

Key Features

• Reliable dew prevention
  Keeps lenses and corrector plates above the dew point for clear, fog-free observing and imaging.
• 12V DC compatibility
  Designed for standard astronomy 12V power systems, portable power stations, and field setups.
• Two lengths: 480mm or 560mm
  Choose the best coverage for your optical tube or camera lens circumference.
• Weather-resistant construction
  Built with durable, moisture-resistant materials for dependable outdoor use.
• Efficient, consistent heating
  Provides steady warmth with sensible power usage for longer battery runtime.
• Easy wrap-and-go installation
  Wrap around the lens or optical tube and connect to a compatible 12V power source.

Ideal For

• Refractor telescopes, guide scopes, and finders
• Camera lenses and astrophotography imaging trains
• Humid locations, winter sessions, and long exposures

In the Box

How It’s Used

Wrap the heater strip snugly around the telescope tube or lens barrel (close to the front element), then connect to a 12V DC supply. Use the lowest heat setting that keeps optics clear to maximise battery life.

Size Guide

Available in 480mm and 560mm. Choose the length that best matches the circumference of your telescope tube, dew shield, or lens barrel for even heating and secure fit.