Enhance your stargazing experience with the Celestron 11"" Dew Heater Ring, a premium, high-quality accessory designed to elevate the performance of your Celestron telescope. This innovative and functional dew prevention solution is specifically tailored for 11"" Celestron Schmidt-Cassegrain telescopes (manufactured 2006 or later), EdgeHD, and Rasa optical tubes. Its stylish and durable aluminum construction ensures longevity and reliability during your nocturnal observations or astrophotography sessions.The Dew Heater Ring's unique design replaces the standard plastic retaining ring on your Schmidt corrector lens, enabling direct and efficient heating across the lens surface. This direct heating method is superior to traditional heating bands or strips, as it provides the most effective transfer of heat, ensuring that your lens remains dew-free even in the most challenging conditions.