Tokina released more details on their new AT-X 12-28 PRO DX lens that was announced during the CP+ show in January this year – the Nikon version will be released in late April, the Canon version in late June this year:
Technical specifications
| Focal length | 12 ~ 28mm | Filter Size | 77mm |
|---|---|---|---|
| Brightness | F4 | Zoom method | Zoom rotary |
| Minimum aperture | F22 | Number of diaphragm blades | Nine |
| Lens constitution | 14 sheets 12 groups | Greatest dimension | 84.0mm |
| Coating | Multilayer coating | Full-length | 90.2mm |
| Angle of view | 99.37 ° ~ 54.73 ° (when using Nikon cameras) | Weight | 530g |
| Minimum focusing distance | 0.25m | Accessories | Flower type Bayonet hood (BH-77A) |
| Maximum magnification macro | 1:4.94 | ||
| Corresponding mount | [Will be released in late April 2013]: Nikon digital (APS-C) [will be released in late June 2013]: (APS-C) Canon Digital | ||
MTF charts
Lens design
