Celestron Dew Heater Ring for 8" SCT, EdgeHD or RASA OTA - 94051 1.25" Barlows and these are used inside

and these are used inside the case to hold the focuser for a ES-102 telescope in place

A fixed-position primary mirror cleverly eliminates image shift that occurs from focusing with other telescope designs

select "Sidereal Time Tracking Mode" when shooting the Milky Way in the sky

53 kg) Dovetail CGE Dovetail bar Mount Type Computerized Equatorial Instrument load capacity 30 lb (13

Focal Length: 6

Celestron Dew Heater Ring for 8" SCT, EdgeHD or RASA OTA - 94051 1.25" Barlows and these are used insideThe 8" Celestron Dew Heater Ring is a must have accessory that will improve your observing or imaging nights year round. The Dew Heater Ring will be permanently installed on the front of your Celestron 8" Schmidt Cassegrain, EdgeHD or RASA OTA by replacing the corrector plate retaining ring that is already part of your telescope. This is much better than other dew heaters that need to be installed each time and can slip around; plus you can still use