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Kenko Tokina has launched the Tokina AT-X 14-20mm F2 Pro DX lens for Canon and Nikon DSLRs with APS-C sensors. That’s equivalent to 21-30mm on Nikon bodies and 22-32mm on Canons.
This ultra-wide zoom has a pair of super low dispersion elements in the back and a plastic aperhical element in the second group that promise to reduce flare and ghosting. It also sports nine aperture blades, a one-touch focus clutch mechanism and internal focusing.
Pricing and availability have yet to be announced.
Press release:
Kenko Tokina Co., Ltd. is pleased to announce the new AT-X 14-20 F2 PRO DX
Characteristics
The fast F2.0 Zoom lens of Tokina
Since the maximum aperture of F2.0 is given this lens, it’s possible to support the low sensitivity photography used ISO64 and ISO100 setting. The maximum aperture of F2.0 shows its power for the photography using the blur feeling and photography with the low brightness (In the room, In the night).
Adopt highly precise Plastic Aspherical lens
The 2nd lens group in this lens is adopted the plastic aspherical lens which improved surface accuracy, and is given antireflection coat. This lens is designed tough against ghost flare.
Arrange highly precise Glass molded Aspherical lens
2 pieces of super low dispersion glass molded aspherical lens is located in the back goup of the lens, and various aberration are corrected by these lenses.
Compact Body and Excellent Operability
Tokina’s exclusive One-touch Focus Clutch Mechanism allows the photographer to switch between AF/MF simply by sliding the focus ring, forward side for AF and back toward the camera for MF. This lens is designed as the fast aperture F2.0 in all focal range, but it is a compact body. This lens has a thread in the front frame, so it’s possible to attach filters of 82mm size.
The new Tokina AT-X 14-20 F2 PRO DX is an ultra-wide-angle zoom lens for the DX(APS-C) size, and has the maximum aperture of F2.0.
In low brightness situation, use it demonstrates its preeminent power.
Specifications
- Focus distance: 14 – 20 mm
- Brightness: F2.0 Canon
- Format : APS-C
- Minimum aperture: F22
- Lens configuration: 13 elements in 11 group
- Coating: Multilayer film coating
- Angle of view: 91.68° ~ 71.78°
- Filter size: 82mm
- Shortest Object Distance: 0.28m
- Macro maximum magnification: 1:8.36
- Focus method: Internal focus
- Number of Aperture blades: 9
- Maximum diameter: 89.0 mm
- Full length: 106.0 mm
- Weight: 725 g
- Hood (Attached) : BH-823
Above mentioned specifications are for a Nikon mount.
Tokina AT-X 14-20mm F2 Pro DX specifications
| Principal specifications | |
|---|---|
| Lens type | Zoom lens |
| Max Format size | APS-C / DX |
| Focal length | 14–20 mm |
| Image stabilisation | No |
| Lens mount | Canon EF, Nikon F (DX) |
| Aperture | |
| Maximum aperture | F2.0 |
| Minimum aperture | F22.0 |
| Aperture ring | No |
| Number of diaphragm blades | 9 |
| Optics | |
| Elements | 13 |
| Groups | 11 |
| Special elements / coatings | 2 super low dispersion + multilayer film coating |
| Focus | |
| Minimum focus | 0.28 m (11.02″) |
| Maximum magnification | 0.12× |
| Autofocus | Yes |
| Full time manual | Yes |
| Focus method | Internal |
| Distance scale | Yes |
| DoF scale | No |
| Physical | |
| Weight | 725 g (1.60 lb) |
| Diameter | 89 mm (3.5″) |
| Length | 106 mm (4.17″) |
| Sealing | No |
| Colour | Black |
| Zoom method | Rotary (internal) |
| Zoom lock | No |
| Filter thread | 82.0 mm |
| Hood supplied | Yes |
| Hood product code | BH-823 |
| Tripod collar | No |
Articles: Digital Photography Review (dpreview.com)
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