Celestron Dew Heater Ring 8" 22451 It is the most lightweight

It is the most lightweight and portable of the three size models

The only drawback is the bigger they get

long-exposure images with ease

12x50 (9mm)

Celestron Dew Heater Ring 8" 22451 It is the most lightweightThe 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 8" 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 Ring