Tokina 12-28mm f4 Pro DX is an Auto Focus (AF) Wideangle Zoom
lens with APS-C / DX max sensor coverage and it is designed to be used with Canon EF mount cameras.
Tokina 12-28mm f4 Pro DX is compatible with cameras that have Canon EF
lens mount. Some of the latest released cameras with Canon EF lens mount are
Max sensor coverage of Tokina 12-28mm f4 Pro DX is APS-C / DX
Tokina 12-28mm f4 Pro DX has a focal range of 12-28mm and 2.3X zoom ratio.
Optical Image Stabilization
Tokina 12-28mm f4 Pro DX doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Tokina 12-28mm f4 Pro DX features Rotary (internal)
zoom method where the length of the lens doesn't change while you are zooming in or out. Even though this design has a size disadvantage in general compare to extending designs, it has the benefits of better sealing against dust and moisture, no zoom creep and no weight balance shift while zooming.
Maximum Magnification Ratio
Tokina 12-28mm f4 Pro DX has a Max Magnification Ratio of 0.2x
and has a minimum focusing distance of 0.25m
Tokina 12-28mm f4 Pro DX is a fixed aperture lens with a constant max aperture of f4 from 12mm all the way to the 28mm .
Tokina 12-28mm f4 Pro DX's optical formula consists of 14 elements in 12 groups. Following special elements are used in this design:
- 1 Aspherical P-MO element
- 1 glass-moulded aspherical element
- SD glass
(ultra-low dispersion glass) FK01
- FK03 elements