Focal length : 17-50mm
Maximum aperture : 2.8
Minimum Aperture : 32
Lens Construction : 16 Elements in 13 Groups
Angle of View : 78o45'-31o11' (APS-C size equivalent)
Type of Zooming : Rotation
Diaphragm Blade Number : 7 (Circular apertures)
Minimum Focus Distance : 0.27m (10.6 in)
Macro Magnification Ratio : 1:4.5 (at f=50mm MFD 0.27m)
Filter Diameter : 67
Dimensions (D x L) : 74.0in. x 81.7mm (2.9 x 3.2 in)
Weight : 430g (15.2oz)