| Attribute | Value |
|---|---|
| Lens Construction | 14 elements in 12 groups, including 2 SD (Super-low Dispersion) and 3 aspheric elements |
| Diameter | 89 mm |
| Zoom System | Rotary |
| Diagonal Angle of View | 72.70 - 104.50 degree |
| Aperture | 2.80 - 22.00 f |
| Notes | Available AF Mounts: Canon EF, Nikon F (lens has focus motor); Included Accessories: BH-821 Lens Hood |
| Filter Size | 82 mm |
| Magnification Ratio | 0.12 x |
| Closest Focus | 0.28 m |
| Focus Details | Internal with One-Touch Focus Clutch mechanism |
| Length | 92 mm |
| Diaphragm Blades | 9 |
| APS Equivalent | 1.5x: 16.5 - 30mm; 1.6x: 17.6 - 32mm |
| Focal Length | 11.00 - 20.00 mm |
| Image Circle | APS-C |
| Brand | Tokina |
| Name | Tokina 11-20mm f/2.8 AT-X PRO DX SD |
| Weight | 560 g |
| Type | Wide Zoom |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Diaphragm Blades Type | Add |
| Front Element Rotation | Add |