MAIN UNIT SPEC
Focal Length & Maximum Aperture
17-55mm 1:2.8
Lens Construction
19 elements in 12 groups
Diagonal Angle of View
78°30′ – 27°50′
Focus Adjustment
AF with full-time manual
Closest Focusing Distance
1.15 ft. / 0.35m
Zoom System
5-group helical zoom (front group moves: 27mm)
Filter Size
77mm
Max. Diameter x Length, Weight
3.3 in. x 4.4 in., 22.8 oz. / 83.5mm x 110.6mm, 645g (lens only)
Hood: EW-83J (bayonet, petal form, two-claw removable hood; attachable in reverse)