The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Tokina 16-28mm f2.8 Pro FX and the Tokina 16-50mm f2.8 DX for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Tokina 16-28mm f2.8 Pro FX is the longer of the two lenses at 133mm. The Tokina 16-50mm f2.8 DX with a length of 97mm, is 36mm shorter. Besides being longer, the Tokina 16-28mm f2.8 Pro FX also has a larger diameter of 90mm compared to the Tokina 16-50mm f2.8 DX's 84mm diameter.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Tokina 16-50mm f2.8 DX weighs 610g, 35% (340g) lighter than the Tokina 16-28mm f2.8 Pro FX's weight of 950g.
Lens Mounts
Both the Tokina 16-28mm f2.8 Pro FX and the Tokina 16-50mm f2.8 DX has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K.
Tokina 16-28mm f2.8 Pro FX is also available in the Nikon F (FX) mount.
Tokina 16-50mm f2.8 DX is also available in Nikon F (DX) mount.
Focal Range
Tokina 16-28mm f2.8 Pro FX has a focal range of 16-28mm and
1.8X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
25.6 - 44.8mm.
On the other hand, the Tokina 16-50mm f2.8 DX has a focal range of 16-50mm and 3.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 25.6-80mm when used on a APS-C / DX format camera.
