Celestron C6 C8 Dew Shield 2458450 which allows users to move

which allows users to move the mount manually without losing alignment

5mm Ultra-Thin Secondary Mirror Supports to reduce diffraction spikes & light loss

The special threading has been designed to fit the wide variety of eyepieces and accessories (there is significant variation between the 1¼” filter threading used by eyepiece and accessory manufacturers)

except 152mm

With the optional reducer lens (coming soon) you can increase your field of view without sacrificing optical performance

Celestron C6 C8 Dew Shield 2458450 which allows users to moveThis model is compatible with all 6" and 8" optical tubes. A Lens Shade Dew Cap is a tube, of approximately the same diameter as your telescope tube, designed to fit on the front end of the telescope to reduce the amount of dew that builds up on the corrector plate. It also serves as a Len Shade by preventing stray light from falling on the corrector plate, which greatly improves contrast. This versatile lens shade can accommodate both 6 and 8 Schmidt