Focal Length & Maximum Aperture :22mm, 1:2
Lens Construction : 7 elements in 6 groups
Diagonal Angle of View :63°30'
Focus Adjustment :Inner Focusing System
Closest Focusing Distance : 0.49 ft. / 0.15m
Filter Size : 43mm
Max. Diameter x Length, Weight : 2.4 x 0.9 inch, 3.7 oz. / 60.9 x 23.7mm, 105g