Focal Length 17-28 mm
Light intensity F 2.8
Minimum Object Distance 0.19m (Wide), 0.26m (Tele)
Maximum Magnification Ratio 1:5.2 (Wide), 1:6 (Tele)
Filter Size 67 mm
Weight 420 g 
Item number A046
Groups-Elements 11-13
Angle of View 103°41'-75°23'
Diaphragm Blades 8
Aperture (min.) F 22
Largest diameter 73 mm
Length 99 mm
Color Black