Used Celestron Dew Heater Ring, 6" Barlow 283-piece set measures over 19

283-piece set measures over 19

Focal ratio F/4

this helps provide the most precise autoguiding performance

or a refractor that sports a 2” focuser

Olympus and Panasonic mirrorless

Used Celestron Dew Heater Ring, 6" Barlow 283-piece set measures over 19Condition: 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,