15 elements in 12 groups
Angle of view: 75°20'-12°20'
Closest Focus Distance from Film Plane 2.5m (8.2ft)
Closest Focus Distance from Film Plane (In Macro Mode) 1.35m (4.4ft)
Magnification Ratio in MacroMode 1:5.5
Filter size:  72mm
Maximum outer diameter: 74mm (2.9")
Overall length: 109mm (4.3")
Weight: 690g (24.1oz)

Mount availability: Canon, Minolta, Nikon,Pentax, Yashica, Olympus