Canon EF-S 17-55 f/2.8 IS USM

Canon EF-S 17-55 f/2.8 IS USM

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