Canon EF 24-105mm f/4L IS USM

Specifications

Focal Length & Maximum Aperture	180mm f/3.5
Lens Construction	14 elements in 12 groups
Diagonal Angle of View	13° 30'
Focus Adjustment	Inner focusing system with USM
Closest Focusing Distance	0.48m
Filter Size	72mm
Max. Diameter x Length, Weight	82.5 x 186.6mm, 1090g