TOKINA AF 11-16mm F2.8 AT-X DX II for Nikon

Tokina 11-16 mm lens is an extremely wide-angle lens high aperture f/2,8 designed for easier work in low light. Many photojournalists considered aperture f/2,8 is necessary for the lens to the less illuminated environment. It provides a focal range of 11 to 16 mm, which offers professional photographers extremely large image angles . It adds a dramatic effect to your photos and pushes photography to another level.
Tokina 11-16 uses a newly developed silent SD-M motor new generation. In combination with GMR sensor offers higher speed and lower noise autofocus . Aspherical lens elements and optical elements are characterized by extremely low dispersion, which reduces color aberration and helps achieve maximum resolution, high luminosity and correction of geometric distortion. New surface anti-reflective treatment lens contributes to a more natural submission shadows and midtones on the photos.
Another advantage of the lens is easy and convenient switching between autofocus and manual operation . Mechanism One-touch Focus Clutch to switch between modes by simply moving the focus ring forward and backward. There is then a need to set anything on the camera, everything is done by moving the focus ring.
The lens is designed for digital cameras with image sensors CCD and CMOS APS-C format is not designed for use on cameras with image sensors film format.
Specifications:
Designed for:
Nikon
Filter diameter:
77 mm
Lens:
f/2,8 to f/22
Lens construction:
13 elements in 11 groups
Picture angle:
104 ° ~ 82 °
Closest focusing distance:
0.3 m
The enlargement ratio for the macro:
1:11,6
Number of diaphragm blades:
9 (rounded)
The length of the lens:
89.2 mm
Weight:
about 550 g