- Focal Length & Maximum Aperture: 100mm 1:2.8
- Lens Construction: 15 elements in 12 groups
- Diagonal Angle of View: 23.4°
- Focus Adjustment: Inner focusing system with USM. Full-time manual focus available.
- Closest Focusing Distance: 0.99 ft./0.3m (maximum close-up magnification: 1x)
- Filter Size: 67mm
- Max. Diameter x Length, Weight: 3.1 x 4.8 in./77.7 x 123mm, 22.0 oz./625g