| Attribute | Value |
|---|---|
| Lens Construction | 15 elements in 11 groups, including 2 aspherical elements |
| Diameter | 84 mm |
| Zoom System | Rotary |
| Diagonal Angle of View | 63.20 - 93.60 degree |
| Aperture | 2.80 - 22.00 f |
| Notes | Available AF Mounts: Canon, Minolta, Nikon; Included Accessories: Lens Hood, Fitted Soft Case |
| Filter Size | 77 mm |
| Closest Focus | 0.25 m |
| Focus Details | Internal with One-Touch Focus Clutch mechanism |
| Length | 85.5 mm |
| Diaphragm Blades | 8 |
| APS Equivalent | 1.5x: 30 - 52.5mm; 1.6x: 32 - 56mm |
| Focal Length | 20.00 - 35.00 mm |
| Image Circle | 35mm |
| Brand | Tokina |
| Name | Tokina 20-35mm f/2.8 AT-X 235 AF PRO |
| Weight | 585 g |
| Type | Wide Zoom |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Diaphragm Blades Type | Add |
| Magnification Ratio | Add |
| Front Element Rotation | Add |