| Tokina AT-X 12-24mm f/4 DX Specifications | |
| Frame Coverage | APS-C |
| Lens Construction (groups) | 11 |
| Lens Construction (elements) | 13 |
| No. of Diaphragm Blades | 9 |
| Minimum Aperture | 22 |
| Closest Focusing Distance | 0.3m (11.8") |
| Maximum Magnifcation | 0.13x |
| Filter Diameter | 77mm |
| Maximum Diameter x Length | 84mm x 89.5mm (3.3" x 3.5") |
| Weight | 570g (20.1oz) |
Reviews
Source
Bob Atkins
The Tokina 12-24mm f4.0 is a good lens. It's sharp in the center and pretty good at the edges when stopped down a little. Corners are a somewhat soft wide open at 12mm, but sharpen up nicely by f5.6. Similarly corners at 24mm wide open are a little soft, but stopping down to f5.6 sharpens them a little and stopping down to f8 sharpens them a little more. Center sharpness is good at all apertures and focal lengths.
PhotoZone.de
In terms of resolution the lens is on a very high level. The center performance is excellent throughout the whole range. The borders are (naturally) quite a bit worse especially at f/4 but very decent from f/5.6 onward. Distortions are comparatively low for an ultra-wide lens and vignetting may only be an issue at 12mm @ f/4.
Portal@Chester.SG
I have not gotten into much serious shooting the Tokina lens officially (my next wedding assignment is in 2 weeks time). But as I did some test shots, I felt that this lens has less distortion than Tamron 11-18mm and gives me more coverage.
Photo.net
I found that the lens is very sharp at 24mm, even wide open, and even in the corners. It improves slightly by stopping down to f/5.6, but I saw no additional improvement at f/8.
