Celestron Dew Heater Ring 9.25" Piggyback Focal Length of Eyepiece 1:

Focal Length of Eyepiece 1: 40mm (1

Prism Glass (Type): BaK-4

planetary occultations

Counterweights Supplied:  None - Available Separately Here

has been designed to be controlled wirelessly with your Smartphone or Tablet

Celestron Dew Heater Ring 9.25" Piggyback Focal Length of Eyepiece 1:The Celestron Dew Heater Ring is the ideal dew prevention solution for your Celestron telescope. This must have accessory will improve your observing or imaging nights year round. The Dew Heater Ring permanently mounts to your 9. 25" Celestron Schmidt Cassegrain optical tube, replacing your retaining ring, so you'll never be caught without it. The installation process is quick and easy (follow the manual for instructions). How it works The Dew Heater