| Attribute | Value |
|---|---|
| Lens Construction | 12 elements in 11 groups |
| Diameter | 83.5 mm |
| Zoom System | Rotary |
| Diagonal Angle of View | 63.00 - 94.00 degree |
| Aperture | 3.50 - 27.00 f |
| Filter Size | 77 mm |
| Magnification Ratio | 0.13 x |
| Closest Focus | 0.34 m |
| Focus Details | Inner focusing; full-time manual focus and USM; |
| Length | 68.9 mm |
| Diaphragm Blades | 5 |
| APS Equivalent | 32 - 56mm |
| Focal Length | 20.00 - 35.00 mm |
| Image Circle | 35mm |
| Brand | Canon |
| Name | Canon EF 20-35mm f/3.5-4.5 USM |
| Weight | 340 g |
| Type | Wide Zoom |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Diaphragm Blades Type | Add |
| Notes | Add |
| Front Element Rotation | Add |