Weight & dimensions
| Diameter |
75 mm |
| Filter size |
58 mm |
Lens system
| Minimum aperture number |
22 |
EF 100mm f/2 USM
Despite the large maximum aperture, the lens remains compact. Lens group 5 moves for rear focusing, and sharp, crisp pictures are obtained at all apertures. The background blur is ideal for portraits. The USM autofocuses the lens quickly and quietly.