Optical Design
Refractor
Aperture (mm)
70 mm (2.76 in)
Focal Length
900 mm (35 in)
Focal Ratio
13
Focal Length of Eyepiece 1 (mm)
20 mm (0.79 in)
Magnification of Eyepiece 1
45 x
Focal Length of Eyepiece 2 (mm)
10 mm (0.39 in)
Magnification of Eyepiece 2
90 x
Finderscope
Built-on StarPointer
Star Diagonal
Erect Image Diagonal - 1.25"
Mount Type
CG-2 Equatorial
Tripod
1.25" steel tube legs
Highest Useful Magnification
165 x
Lowest Useful Magnification
10 x
Limiting Stellar Magnitude
11.7
Resolution (Rayleigh)
1.99 arc seconds
Resolution (Dawes)
1.66 arc seconds
Light Gathering Power (Compared to human eye)
100 x
Apparent Field of View
1.1 °
Linear Field of View (@1000 yds)
58 ft (18 m)
Optical Tube Length
36 in (914 mm)
Warranty
2-year Telescope Warranty
