|Format: 35mm SLR|
Type: Zoom lens
Focusing: Auto Focus (AF)
Lens mounts: Canon EF, EF-S, Canon EF, EF-S, Canon EF, EF-S, Canon EF, EF-S, Nikon F (FX, DX), Nikon F (FX, DX), Nikon F (FX, DX), Nikon F (FX, DX)
First year of production: 2010
Optical design: 15 elements in 13 groups, three elements of the low-dispersion glass and aspherical lens elements
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Views (5593)Average price: $963
|Focal length||Max. aperture||Min. aperture||Blades||Min. Focus (m.)||Filter Ø (mm.)||Weight (gr/oz)||Length (mm/in)|
|16mm - 28mm||f/2.8||f/22||9||0.28|| ||950/33,5||133/5,2|
The Tokina AT-X 16-28 mm f/ 2.8 PRO FX
Diagonal angle of view 107.11° - 76.87°
Max. magnification 1:5.26.
Type of focusing - internal front.
Max. diameter 90 mm.
It is not equipped with a built-in motor AF drive for Nikon low-end models.
High-precision focus magnetic sensor.
Special front cap.
No depth of field scale
The Tokina AT-X 16-28mm F2.8 PRO FX , 2010 new product, is a full format fast wide-angle zoom lens with a constant aperture of F2.8 throughout the entire range of focal lengths.
Due to a bulb-like front element and built-in hood, it is not possible to mount filters and use standard caps.
It features a new built-in Silent Drive-Module. Combined in one module, a motor and a gear reducer feature low noise characteristics. Autofocus functions faster and more accurately thanks to a new high resolution focus detector.
The lens is equipped with the so called One-touch Focus Clutch Mechanism, i. e. the choice between manual focusing and auto-focusing modes with one touch. In order to switch autofocus mode you should slightly shift the focus ring forward. To engage manual focusing the focus ring should be shifted back to the camera.
Evaluation of Tokina designations:
AT-X (advanced technology extra) - the lens is designed by means of advanced and new technologies and high-quality materials.
PRO - models with this designation have an aluminum coating to improve its reliability and have an ergonomic look corresponding its high quality.
AF for autofocus.
FX - for film and digital SRL Canon EOS and Nikon F cameras.
IF - internal focusing (the lens does not extend, the front element do not rotate).
SD - Super Low Dispersion glass is used to minimize aberrations and increase contrast
AS - the use of aspherical lenses.
Links to online resources:
Posted by: a2012 Date of publication: 23.10.2010