R-Sky Rib-Mounted Secondary Mirror Heater – Model B (60–70mm Minor Axis) | Anti-Dew | Easy Velcro Install | for Newtonian Telescopes

▶︎R-Sky Rib-Mounted Secondary Mirror Heater – Model B(60–70mm) ▶︎Say goodbye to dew and fog on your Newtonian telescope’s secondary mirror! The R-Sky Rib-Mounted Secondary Mirror Heater is engineered specifically for ribbed mirror holders and provides targeted, effective heat without interfering with your optical path. ▶︎This listing is for Model A, which fits secondary mirrors with a minor axis of 60mm, 68mm, or 70mm. ▶︎With Velcro installation, ultra-thin materials, and thermal insulation that directs warmth to the holder and mirror, you get clear, uninterrupted views even in humid or cold environments. ▶︎Not sure if Model B is right for your scope? Contact us—we’ll help match your mirror size to the correct heater.

• 1. 🔭 Designed for Ribbed Holders – Ideal for Newtonian secondary mirrors with ribbed holders and minor axis sizes of 60mm, 68mm, or 70mm. 2. ❄️ Anti-Dew Performance – Prevents dew and fog by gently heating the mirror holder for clear, uninterrupted views. 3. 🧲 Tool-Free Installation – Installs easily with ultra-thin, self-adhesive Velcro – no glue or permanent mods needed. 4. 🌡 Precision Heating – Advanced insulation focuses heat toward the mirror without disturbing airflow or optics. 5. ⚙️ Minimal Footprint – Ultra-thin profile with flexible wires ensures no light obstruction or interference.