EF 180mm f3.5L Macro USM

introduced 1996

Focal length and maximum aperture: 180mm 1:3.5
Lens construction: 14 elements in 12 groups
Diagonal angle-of-view: 13°40'
Focus adjustment: inner focusing system with USM
Closest focusing distance: 0.48 m/1.6 ft
Filter size: 72mm
Length x max. diameter, weight: 82.5 x 186.6mm, 1,090g