Angle of View (Diagonal)     63°30’
Angle of View (Horizontal)     54°30’     
Angle of View (Vertical)     37°50’     
Closest Focusing Distance (m, ft)     0.15/0.49
Construction (groups elements)     6-7     
Diameter x Length (mm) (Maximum)     60.9 x 23.7
Distance Scale     o     
Drive System     Gear drive by stepping motor
Filter Size (mm)     43     
Maximum Magnification (x)     0.21     
Minimum Aperture     22     
No. of Diaphragm Blades     7     
Weight (g) (Approximately)     105