Despite the 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.
| Focal Length | 100mm |
| Aperture | Maximum: ƒ2 Minimum: ƒ22 |
| Angle of View | 24° |
| Lens Construction | 8 elements in 6 groups |
| Diaphragm Blades | 8 |
| Minimum Focusing Distance | 89.9cm (2.949') |
| Features | |
| Filter Size | 58mm |
| Dimensions | |
| Dimensions (Length by Width) | 74mm x 76mm (2.91" x 2.99") |
| Weight | 458g (1.01 lb) |
