Tokina AT X124 AF PRO DX

The 'one-touch' focus clutch system enables AF or manual focus to be selected by nudging the focus ring forwards or backwards to engage it

Reasonably good value

Too much vignetting

Image quality proved adequate, with reasonable sharpness everywhere but the extreme corners. Vignetting was more of a problem than with other lenses; we had to move down two stops to get rid of it

Taking the middle ground between budget and most own-brand lenses, the Tokina 12-24mm looks good value for the money. The 'one-touch' focus clutch system enables AF or manual focus to be selected by nudging the focus ring forwards or backwards

Reasonably good value

Too much vignetting

A lens that is lukewarm across the board without ever really impressing us

This wide angle lens has a zoom range that equates to 18-36mm film equivalent, with constant f4 aperture. It is made specifically for digital single lens reflex cameras and is not suitable for film cameras. It comes in either Nikon or Canon mounts. Its co...

The image sharpness and minimal distortion at the 12mm end of the zoom range are exceptionally good. The lens is colour-neutral with excellent contrast.

Chromatic aberration (colour fringing on sharp edges in high contrast situations) is noticeable. However, keep in mind that as with barrel distortion this is a characteristic of wide angle zooms. The Tokina is no worse than the competition.

This is a marvellous lens. There is a special joy to wide angle photography because of the great depth of field and peculiar perspective on subjects. The well-controlled barrel distortion (it's there but in most photos it is not noticeable) means that it