Celestron NexStar Evolution 6
Optical design: Schmidt-Cassegrain
Aperture: 5.9 inches (150 millimeters)
Focal length: 1,500 millimeters
Focal ratio: f/10
Secondary mirror obstruction: 14%
Database: More than 120,000 objects
Optical tube length: 16 inches (41 centimeters)
Total weight: 35.4 pounds (16.1 kilograms)
Price: $1,199.95
Optical design: Schmidt-Cassegrain
Aperture: 5.9 inches (150 millimeters)
Focal length: 1,500 millimeters
Focal ratio: f/10
Secondary mirror obstruction: 14%
Database: More than 120,000 objects
Optical tube length: 16 inches (41 centimeters)
Total weight: 35.4 pounds (16.1 kilograms)
Price: $1,199.95
Optical design: Schmidt-Cassegrain
Aperture: 8 inches (203.2 millimeters)
Focal length: 2,032 millimeters
Focal ratio: f/10
Secondary mirror obstruction: 9.77%
Database: More than 120,000 objects
Optical tube length: 17 inches (43 centimeters)
Total weight: 40.6 pounds (18.4 kilograms)
Price: $1,599.95
Celestron NexStar Evolution 9.25
Optical design: Schmidt-Cassegrain
Aperture: 9.25 inches (235 millimeters)
Focal length: 2,350 millimeters
Focal ratio: f/10
Secondary mirror obstruction: 13%
Database: More than 120,000 objects
Optical tube length: 22 inches (56 centimeters)
Total weight: 46.6 pounds (21.1 kilograms)
Price: $2,099.95
Optical design: Schmidt-Cassegrain
Aperture: 9.25 inches (235 millimeters)
Focal length: 2,350 millimeters
Focal ratio: f/10
Secondary mirror obstruction: 13%
Database: More than 120,000 objects
Optical tube length: 22 inches (56 centimeters)
Total weight: 46.6 pounds (21.1 kilograms)
Price: $2,099.95
SUBSCRIBERS: Read the December 2014 issue Celestron NexStar Evolution review online.