Angle of View (Diagonal) 27°50'~6°15'
Angle of View (Horizontal) 23°20'~5°20'
Angle of View (Vertical) 15°40'~3°30'
Closest Focusing Distance (m, ft) 0.85/2.79
Construction (groups elements) 12 - 15
Diameter x Length (mm) (Maximum) 70.0 x 111.2
Drive System Lead screw and rack system driven by stepping motor
Filter Size (mm) 58mm
Maximum Magnification (x) 0.29
Minimum Aperture 32
No. of Diaphragm Blades 7
Weight (g) (Approximately) 375