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Tokina AT-X 165 PRO DX AF 16-50mm F/2,8
Description
Tokina’s exclusive One-touch Focus Clutch Mechanism allows the photographer to switch between AF and MF simply by snapping the focus ring forward for AF and back toward the camera to focus manually. There is no need to change the AF-MF switch on Nikon cameras*** and there is no second AF/MF switch on the lens for Canon, everything is accomplished by the focus ring.
The front element of the AT-X 165 PRO DX has a newly formulatedWR or “Water Repellent" optical coating on the glass. This new coating makes marks such as spots left by water or finger-prints much easier to clean than standard multi-coating.**
The rear optical group of the lens contains 1 SD (Super-Low Dispersion) glass element to reduce the number of elements (pieces of glass) in the optical design in order to make the lens more compact, light-weight and faster focusing.
Specification
* The lens is designed for Digital cameras with APS-C sized CMOS and CCD sensors, not designed for cameras with Full Frame sensors.
Mount availability
Canon EOS, Nikon-D
Focal length
16 to 50mm
Maximum aperture
f/2.8
Minimum aperture
f/22
Optical construction
15 elements in 12 groups
SD glass
One elements
Coatings
“Water Repellent"
optical coating
Angle of view
82° ~ 31°
Minimum focus distance
11.8 in. (30cm)
Macro Ratio
1:4.88
Zooming system
Rotary type
Number of diaphragm blades
9
Filter size
77mm
Dimensions
3.3 in. (84mm) X L 3.8 in. (97.4mm)
Weight
21.5 oz. (610g)
Lens Hood
BH-777
Availability
May 2007
** Please note, the Tokina AT-X 165 PRO DX lens itself is not waterproof or water resistant.
*** Will not AF when used on Nikon D40 SLR camera body