✅ Product Description: Don't let heavy dew compromise your viewing. This high-output dew heater is specially engineered for large 11-inch telescopes, delivering reliable protection in humid and cold environments. Ideal for catadioptric designs with front corrector or meniscus optics, including Schmidt-Cassegrain, Maksutov-Cassegrain, and similar optical systems with 11” apertures. 📌 Suitable for front-aperture telescopes with optical tube diameters of approximately 275–285 mm. ⸻ ✅ Key Features: 🔥 High Heating Capacity: Designed to prevent dew even in extreme weather 🔄 Uniform Heat Spread: Consistent warmth across the entire surface, no hotspots 🔌 12V RCA Plug: Compatible with most standard dew controllers 🧵 Durable, Soft Cord: 47 inches (120 cm) of flexibility in any temperature 🛠 Handcrafted Quality: Built by R-Sky with reliable components and real-field testing ⸻ ✅ Use with a Controller (Recommended): For maximum performance and battery efficiency, pair with a dew heater controller to manage power output and avoid unnecessary drain or overheating. ⸻ Protect your optics with confidence — the R-Sky Extra Big Dew Heater for 11” telescopes is the dependable solution for demanding astronomical conditions.