EF100mm f/2 USM
| Angle of View (Diagonal) | 24° |
| Angle of View (Horizontal) | 20° |
| Angle of View (Vertical) | 14° |
| Closest Focusing Distance (m, ft) | 0.9/3.0 |
| Construction (Groups Elements) | 6-8 |
| Diameter x Length (mm) (Approx.) | 75 x 73.5 |
| Distance Scale | o |
| Drive System | Ring-type USM |
| Filter Size (mm) | 58 |
| Max. Magnification (x) | 0.14 |
| Min. Aperture | 22 |
| No. of Diaphragm Blades | 8 |
| Anti-dust and Moisture | Not Supported |
| Weight (g) (Approx.) | 460 |
| Accessories (Lens Cap) | E-58 II |
| Accessories (Lens Hood) | ET-65 III |
| Accessories (Lens Bag) | LP1014 |