EF 28-135mm f3.5-5.6 IS USM

introduced 1998

Focal length and maximum aperture: 28-135mm 1:3.5-5.6
Lens construction: 16 elements in 12 groups
Diagonal angle-of-view: 75°-18°
Focus adjustment: ring-type USM, inner focusing system, full-time manual focus
Closest focusing distance: 0.5 m/ 1.6 ft. (Macro), 0.19 x magnification
Zoom system: rotation type
Filter size: 72mm
Max. diameter x length, weight: 78.4 x 89.6mm, 500g