Astrozap Flexi-Heat Dew Shield for Celestron 11" SCTs

AstroZap Flexi-Heat Dew Shield for Celestron 11" Schmidt-Cassegrains

The Celestron 11" SCT is a beloved workhorse for serious visual observers and imagers alike—but all that aperture comes with a catch: a big corrector plate that loves to dew up just when the night’s getting good. The AstroZap Flexi-Heat Dew Shield is a dual-purpose upgrade that combines traditional light shielding with a built-in dew heater, giving you the protection you need for all-night observing and imaging.

Crafted from flexible yet rugged black ABS plastic, this shield wraps around the front cell of your OTA and fastens securely with a Velcro closure. The interior velvet lining reduces stray light reflections and slows the cooling that leads to dew formation.

Inside the body of the shield is a low-wattage heating element that provides gentle, even warmth to your corrector plate. Just plug the attached RCA connector into your dew controller (sold separately), and the system takes care of the rest. Whether you’re deep in a long imaging session or just watching Jupiter dance across the sky, your optics stay dry, sharp, and ready.

Features:

• Designed specifically for Celestron 11" Schmidt-Cassegrain Telescopes

• Built-in RCA-compatible heating element for active dew prevention

• Velvet-lined interior helps block stray light and retain warmth

• Flexible ABS plastic construction for durability and portability

• Velcro fastening strip allows secure, tool-free installation

• Combines dew shield and heater in one streamlined unit

Observing Tip:

The Celestron 11" SCT has enough reach to show galaxies, globulars, and planetary detail all in one session—but it also has enough surface area to fog over fast. A heated shield like this not only keeps the dew at bay but improves contrast by shielding your optics from ambient light. It’s one of the most effective and hassle-free upgrades you can make.