http://www.usa.canon.com/cusa/support/professional/lenses/ef_lenses/ef_28_105mm_f_4_0_5_6_usm?pageKeyCode=writeReviewPage
EF 28-105mm f/4.0-5.6 USM
7516
Specifications
Main Unit Spec
| Focal Length & Maximum Aperture | 28-105mm 1:4-5.6 |
| Lens Construction | 10 elements in 9 groups |
| Diagonal Angle of View | 75° - 23° 20' |
| Focus Adjustment | Inner focusing system with USM |
| Closest Focusing Distance | 0.48m / 1.57 ft. |
| Zoom System | Rotating Type |
| Filter Size | 58mm |
| Max. Diameter x Length, Weight | 2.6" x 2.7", 7.4 oz. / 67mm x 68mm, 210g |