Celestron EdgeHD 925 9.25" Optical Tube Assembly 91040-XLT

9.25" aperture with a focal length of 2350 mm Aberration-free images across a wide visual Astrograph-quality flat focal plane Visibly sharp stars across large CCD chips Improves the resolution and limiting magnitude StarBright XLT optical coatings on every surface Flexible tension clutches hold mirror and reduce image shift Cooling vents release hot air from behind the primary mirror Versatile imaging telescope available today