Celestron C6 C8 Dew Shield 2458450 The aperture is made of

The aperture is made of a high quality

code=16953

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

equally well suited to a star party or a university astronomy course

Celestron C6 C8 Dew Shield 2458450 The aperture is made ofThis 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