Vixen Telescope Dew Heater – Prevent Lens & Mirror Fogging for Clear Night Sky Viewing & Astrophotography (ES37225)

Keep Dew Off Your Telescope Lens During Long Observing Sessions

On cold or humid nights, moisture from the air condenses on your telescope's lens or corrector plate — blurring your view or blocking it entirely. A dew heater wraps around the front of your telescope and keeps the glass just warm enough to prevent condensation from forming in the first place.

The Dew Heater 2 runs on eight D-cell batteries (included battery box), so no external power supply or controller is needed.

Who This Is For

• Observers in humid climates or cold environments where dew is a regular problem
• Anyone who has lost a session to a fogged-up lens

Key Features

• 665mm heater band fits a wide range of refractor and catadioptric telescopes
• ~8.9W of gentle, even heat at 12V keeps optics above the dew point
• 2.2m cable for flexible battery placement and easy cable management
• Waterproof rubber heater band for durable outdoor use
• Hook-and-loop strap for secure, adjustable mounting on the telescope tube
• Battery box for 8 × D-cells included — no external power supply needed

What's Included

• Dew heater band
• Waterproof power cable (2.2m)
• Adjustable hook-and-loop mounting strap
• Battery box (8 × D-cells required, not included)

Specs