Focal length : 70-200mm
Maximum aperture : 2.8
Minimum Aperture : 32
Lens Construction : 18 Elements in 13 Groups
Diagonal Angle of View : 34o21'-12o21' (22o33'-7o59')
Diaphragm Blade Number : 9
Minimum Focus Distance : 0.95m (37.4 in) throughout the range
Macro Magnification Ratio : 1:3.1 (at f=200mm, MFD: 0.95m)
Filter size : 77
Dimensions (D x L) : 89.5mm x 194.3mm (3.5 x 7.6 in)
Weight : 1150g (40.6oz) (without tripod mount)