Decent lens for wide angle photography and macro if you don't mind getting really close.
The AF is the slow type, but alright enough, the bad part is the "double clutch" mf/af switch, you have to push a button and slide the focus ring forward or backwards.
All the following images are taken with the Canon 7D and are unedited except for resize and white balance.
ISO: 100
Shutter: 1/8000
Aperture: f/1.8
ISO: 100
Shutter: 1/320
Aperture: f/8
ISO: 100
Shutter: 1/5000
Aperture: f/2
ISO: 100
Shutter: 1/2500
Aperture: f/1.8
ISO: 100
Shutter: 1/500
Aperture: f/1.8
ISO: 100
Shutter: 1/500
Aperture: f/1.8
ISO: 100
Shutter: 1/125
Aperture: f/4
ISO: 100
Shutter: 1/500
Aperture: f/5
ISO: 100
Shutter: 1/640
Aperture: f/2.8
ISO: 100
Shutter: 1/1600
Aperture: f/1.8
ISO: 100
Shutter: 1/500
Aperture: f/2.8
ISO: 100
Shutter: 1/4000
Aperture: f/1.8
ISO: 100
Shutter: 1/1600
Aperture: f/2.8
ISO: 400
Shutter: 1/200
Aperture: f/2