R-Sky Wrap-Around Secondary Mirror Heater (S) – for 1.25” Stalk | Anti-Dew Heater for Newtonian Telescopes | 12V RCA Connector

R-Sky Wrap-Around Secondary Mirror Heater (S) – For Newtonian Telescopes with 1.25-Inch Stalks Dew buildup on the secondary mirror is a common problem in open-tube Newtonian telescopes. While dew shields offer limited protection, the most reliable solution is an active heating element. This wrap-around heater is designed specifically for mirrors mounted on a 1.25” stalk. It gently warms the stalk, transferring heat to the mirror without interfering with the optical path or requiring permanent modifications. Its slim form factor and discreet cable routing preserve your telescope’s appearance and balance. Pair it with a dew controller for precise power regulation and extended battery life. A must-have accessory for uninterrupted observing during high-humidity nights.

• Fits secondary mirrors mounted on 1.25-inch stalks commonly found in Newtonian telescopes. Wrap-around heater design transfers heat through the stalk to prevent dew and fogging. Tool-free installation using included self-adhesive Velcro – no glue or modifications required. Energy-efficient operation: 12V DC, 0.23A, 2.4W via standard RCA connector. Designed for consistent optical performance and a clear, fog-free view of the night sky.