| Attribute | Value |
|---|---|
| Lens Construction | 14 elements in 12 groups, including 2 aspherical and 2 SD elements |
| Diameter | 84 mm |
| Zoom System | Rotary |
| Diagonal Angle of View | 54.70 - 99.40 degree |
| Aperture | 4.00 - 22.00 f |
| Notes | Available AF Mounts: Canon and Nikon Digital Only. Built-in AF motor for use with all Nikon DSLRs. Included Accessories: Lens Hood |
| Filter Size | 77 mm |
| Magnification Ratio | 0.2 x |
| Closest Focus | 0.25 m |
| Focus Details | Internal with One-Touch Focus Clutch mechanism; SD-M (Silent Drive-Module) |
| Length | 90.2 mm |
| Diaphragm Blades | 9 |
| APS Equivalent | 1.5x: 18 - 42mm;1.6x: 19.2 - 44.8mm |
| Focal Length | 12.00 - 28.00 mm |
| Image Circle | APS-C |
| Brand | Tokina |
| Name | Tokina 12-28mm f/4 AT-X 128 AF PRO DX |
| Weight | 530 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 |