Optical Design Refractor
Aperture ( mm) 70 mm ( 2.76 in)
Focal Length ( mm) 900 mm ( 35 in)
Focal Ratio 13
Eyepiece 1 ( mm) 20 mm ( 0.79 in)
Magnification 1 45 x
Eyepiece 2 ( mm) ....
Optical Design Refractor
Aperture ( mm) 70 mm ( 2.76 in)
Focal Length ( mm) 900 mm ( 35 in)
Focal Ratio 13
Eyepiece 1 ( mm) 20 mm ( 0.79 in)
Magnification 1 45 x
Eyepiece 2 ( mm) ....
