EF 17-40mm f/4L USM

Focal Length 17-40mm
Max aperture f/4
Minimum focus 28cm
Mounts Canon EF USM
Weight 500g
Dimension 96.8mm x 83.5mm
 
Sample Image:

Camera Body
Canon EOS 1D Mark III
Canon EOS 1D Mark II
Canon EOS 5D Mark II
Canon EOS 50D
Canon EOS 40D

Camera Lens

ULTRA WIDE ZOOM
EF 16-35mm f/2.8L USM
EF 17-40mm f/4L USM

STANDARD ZOOM
EF 24-70mm f/2.8L USM
EF 24-105mm f/4L IS USM
EF 28-135mm f/3.5 - 5.6 IS USM

TELEPHOTO ZOOM
EF 70-200mm f/2.8L USM

WIDE ANGLE

EF 15mm f/2.8 fisheye

EF 35mm f/1.4L USM

STANDARD & MEDIUM TELEPHOTO
EF 50mm f/1.2 USM
EF 50mm f/1.8
EF 85mm f/1.2L USM
EF 85mm f/1.8

TELEPHOTO
EF 135mm f/2L USM
EF 300mm f/2.8L USM

MACRO
EF 100mm f/2.8 Macro USM

TILT SHIFT
TS/E 90mm f/2.8