Used Celestron Dew Heater Ring, 6" Barlow or cross-threading while keeping your

or cross-threading while keeping your imaging session moving

Focal ratio F/4

this helps provide the most precise autoguiding performance

It is in great condition as there are very minor marks and wear

Used Celestron Dew Heater Ring, 6" Barlow or cross-threading while keeping yourCondition: This is a used Celestron 6" dew heater ring in excellent condition. It includes all accessories and looks like it was hardly, if ever taken out of the box used. Note: A separate dew heater controller and power source are required to utilize the heater ring. Heater ring provides the most efficient heating directly to the corrector lens to prevent the formation of dew Permanently mounts to your existing telescope tube for a seamless lookplus,