FirstScope 76

reflectors, Max. useful magnification: 180 x lens diameter (aperture): 76 mm, focal length: 300 mm, aperture: 4: 1, length of optical tube: 270 mm, weight: 2 kg FirstScope 76
 
Main characteristics FirstScope 76
Telescope type reflectors
Max. useful magnification 180x
Lens diameter (aperture) 76 mm
Focal distance 300 mm
Relative aperture 4 :1
Length of optical tube 270 mm
Rayleigh Criterion 1.82 Uhl.
Dawes Limit 1.53 Uhl.
Pronicaûŝaâ (star of magnitude) 11.9 m
Weight 2 kg