Tokina 14-20mm f/2 AT-X 142 AF PRO DX SD

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Lens Specifications
Name Tokina 14-20mm f/2 AT-X 142 AF PRO DX SD
Image Circle APS-C
Type Wide Zoom
Focal Length 14 - 20mm
APS Equivalent 1.5x: 21 - 30mm; 1.6x: 22.4 - 32mm
Max Aperture f/2
Min Aperture f/22
Diaphragm Blades 9
Lens Construction 13 elements in 11 groups, including 3 aspherical and 4 SD elements
Diagonal Angle of View (Based on image circle) 91.7 to 71.8 degrees
Focus Details Internal with One-Touch Focus Clutch mechanism
Front Element Rotation No
Zoom System Rotary
Closest Focus 0.28m / 0.92 ft.
Magnification Ratio 0.12x / 1:8.4
Filter Size 82mm
Dimensions(Length x Diameter) 106mm x 89mm / 4.17 in. x 3.50 in.
Weight 725g / 25.6 oz.
Notes Available AF Mounts: Canon and Nikon Digital Only; Built-in AF motor for use with all Nikon DSLRs; Included Accessories: BH-823 Lens Hood
Typical Online Price US$900 (Avail. Feb/Mar. 2016)