| Attribute | Value |
|---|---|
| Lens Construction | 15 elements in 13 groups, including 3 SD and 3 aspherical elements |
| Diameter | 89 mm |
| Zoom System | Rotary |
| Diagonal Angle of View | 76.90 - 107.10 degree |
| Aperture | 2.80 - 22.00 f |
| Notes | Available AF Mounts: Canon EF, Nikon F; Included Accessories: lens cap, fixed petal type hood. |
| Magnification Ratio | 0.19 x |
| Closest Focus | 0.28 m |
| Focus Details | Internal with SD-M (Silent Drive Module) DC motor; One-Touch Focus Clutch Mechanism |
| Length | 133.5 mm |
| Diaphragm Blades | 9 |
| APS Equivalent | 1.5x: 24 - 42mm; 1.6x: 25.6 - 44.8mm |
| Focal Length | 16.00 - 28.00 mm |
| Image Circle | 35mm |
| Brand | Tokina |
| Name | Tokina 16-28mm f/2.8 FF Opera |
| Weight | 940 g |
| Type | Wide Zoom |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Diaphragm Blades Type | Add |
| Filter Size | Add |
| Front Element Rotation | Add |