Sky Mentor Flexible Dew Shield for 6"- 8" SCT or Mak - DEW68 Equatorial Telescopes The circumference is 94" and

The circumference is 94" and the height is 78"

constant apparent field of view

The included filter carousel is designed to hold eight (8) 31 mm unmounted filters (sold separately)

75 external camera side thread and M48x0

35") Secondary Mirror Obstruction by Diameter 36% Secondary Mirror Obstruction by Area 13% Optical Coatings StarBright XLT Optical Tube Length 559 mm (22") Optical Tube Diameter 271

Sky Mentor Flexible Dew Shield for 6"- 8" SCT or Mak - DEW68 Equatorial Telescopes The circumference is 94" andSkyMentor Lens Shade Dew Shield 6 8" SCT This Lens Shade Dew Cap is a tube, of approximately the same diameter as your 6 8" 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 Lens Shade by preventing stray light from falling on the corrector plate, which greatly improves contrast. Features Serves as a Lens Shade by preventing stray light from falling