Celestron C11 Dew Shield NWA 2965 A piggyback ride for your

A piggyback ride for your camera

ST-4 type Autoguider Interface: Supports 0

while blocking unwanted skyglow and many street light emissions

unless modified or specially designed for astro photograpy

the price therefore initially may appear high for "nothing more than" a clamping device

Celestron C11 Dew Shield NWA 2965 A piggyback ride for yourThis model is compatible with all 9. 25" and 11" optical tubes. A Lens Shade Dew Cap is a tube, of approximately the same diameter as your telescope tube, designed to fit on the front end of the telescope to reduce the amount of dew that builds up on the corrector plate. It also serves as a Len Shade by preventing stray light from falling on the corrector plate, which greatly improves contrast.