Used Celestron Dew Heater Ring, 6" Barlow It is in great condition

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

283-piece set measures over 19

Focal ratio F/4

the superior contrast and resolution of the Questar Seven was easily visible

Used Celestron Dew Heater Ring, 6" Barlow It is in great conditionCondition: 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,