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Optical design
| Format: APS-C (crop)
Type: Zoom lens
Focusing: Auto Focus (AF)
Lens mounts: Canon EF, EF-S, Nikon F (FX, DX)
First year of production: 2015
Optical design: 13 elements in 11 groups
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Average price: $600 |
Specifications:
| Focal length | Max. aperture | Min. aperture | Blades | Min. Focus (m.) | Filter Ø (mm.) | Weight (gr/oz) | Length (mm/in) |
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| 14mm - 20mm | f/2.0 | f/22 | 9 | 0.28 | 82 | 735/25,9 | 106/4,2 |
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Additional information:
The Tokina AT-X 14-20 F2 PRO DX is a wide-angle zoom lens with super-fast F2 aperture. The lens is designed for use with Canon or Nikon DSLR cameras with APS-C (DX) sensors.
The optical design uses three aspherical lens elements (2 all-glass molded and 1 P-MO lens). Additionally, Tokina uses four SD glass elements (Super-low Dispersion: FK01 and FK03) to control chromatic aberrations, distortion and astigmatism. Two of the elements are SD glass molded aspherical lenses.
Specifications
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Coatings Multi-layer
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Angle of View 91.68 – 71.78°
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Macro Ratio 1:8.36
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Zooming System rotary
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Maximum Outer Diameter 3.5 in (89mm)
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Accessories Dedicated Lens Case (Sold Separately) - For Nikon:LC1420NAF / For Canon:LC1420CEF
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Lens Hood BH-823
Links to online resources:
PDF Files:
Posted by: Andreas Lindemann Date of publication: 19.01.2017
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