Focal Length: 12-24mm
Maximum Aperture: 4
Minimum Aperture: 22
Closest Focusing Distance: 1 ft. (0.3m)
Lens Construction: 11 Elements in 7 Groups
Angle of View: 99o 61'
Filter Size: 77mm
Zoom Ratio: 2x
Maximum Reproduction Ratio: 1.83
Dimensions (D x L): 82.5mm x 90mm (3.2in. x 3.5in.)
Weight: 16.4oz. (465g)