Celestron – Dew Heater Ring – Aluminum Dew Prevention – Compatible 8” Schmidt-Cassegrain, EdgeHD, RASA Telescope auspowers_batchone Good quality: This clear plastic

Good quality: This clear plastic protractor is thick enough

The temperature range is -50 to 200C

| Shanks are made of special heat treated alloy steel

Power – 4 Speaker

Celestron – Dew Heater Ring – Aluminum Dew Prevention – Compatible 8” Schmidt-Cassegrain, EdgeHD, RASA Telescope auspowers_batchone Good quality: This clear plasticCelestron Dew Heater Ring Aluminum Dew Prevention Compatible 8 Schmidt Cassegrain, EdgeHD, RASA Telescope 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 is custom fit for your 8" Celestron Schmidt Cassegrain, EdgeHD, and RASA optical tube and permanently replaces your retaining ring to provide