Celestron Dew Heater Ring 9.25" Piggyback Prism Glass (Type): BaK-4

Prism Glass (Type): BaK-4

take your 5SE to a dark-sky site and you’ll see hundreds of pinpoint stars in the Hercules Globular Cluster

Focal Length of Eyepiece 1: 40mm (1

planetary occultations

Celestron Dew Heater Ring 9.25" Piggyback Prism Glass (Type): BaK-4The 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