Optical Design Schmidt-Cassegrain
Aperture (mm) 150 mm (5.91 in)
Focal Length 1500 mm (59 in)
Focal Ratio 10
Optical Tube Aluminum
Highest Useful Magnification 354 x
Lowest Useful Magnification 21 x
Limiting Stellar Magnitude 13.4
Resolution (Rayleigh) 0.93 arc seconds
Resolution (Dawes) 0.77 arc seconds
Light Gathering Power (Compared to human eye) 459 x
Linear Field of View (@1000 yds) 44 ft (13 m)
Secondary Mirror Obstruction 2.2 in (56 mm)
Secondary Mirror Obstruction by Diameter 37%
Secondary Mirror Obstruction by Area 14%
Optical Coatings StarBright XLT
Optical Tube Length 16 in (406 mm)
Optical Tube Weight 10 lbs (4.54 kg)
Dovetail Compatibility CG-5 Mount