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Tokina AT-X DX 10-17mm f/3.5-4.5 Fisheye Interchangeable Lens Review

Tokina AT-X DX 10-17mm f/3.5-4.5 Fisheye Interchangeable Lens Review - Tokina, like Nikon, use the DX prefix for lenses designed purely for APS-C sized or ‘cropped’ sensors. With a field of view of 180° at the wide end on these sensors, we take a look at how this lens performs.

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Category : Interchangeable Lenses
Product : Tokina AT-X DX 10-17mm f/3.5-4.5 Fisheye
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Tokina, like Nikon, use the DX prefix for lenses designed purely for APS-C sized or ‘cropped’ sensors. With a field of view of 180° at the wide end on these sensors, we take a look at how this lens performs.

Tokina 10-17mm AT-X ProSpecification

  • Focal length 10-17mm
  • Optical Construction: 10-8 elements/groups
  • Max Aperture: f/3.5-4.5
  • Min Aperture: f/22-32
  • Closest focus: 0.14m
  • Filter Thread: n/a
  • Dimensions: 71.1x70mm
  • Weight: 0.35kg
  • Mount Canon, Nikon
  • Price (SRP) £499.99

Build and handling
The lens is relatively small and lightweight for it’s capabilities and sports a slightly retro ‘crackle’ finish that gives a not unpleasant feel to the optic. A conventionally styled lens, it has two rings separated by a distance window, marked in both metres and feet.

The first of the two rings operates the zoom mechanism and is marked at 10, 12, 13, 14, 15 and 17mm and is well torqued, giving a feeling of solidity to the zoom mechanism.
The front ring operates the focus mechanism and is torqued much more lightly when in MF mode but is stiff and not over-rideable in AF mode. The AF mechanism rotates the ring and does so with a quiet whine. It is, however, quite quick.

The front of the lens sports a fixed hood with no filter thread and the lens cap is a nice fit over the wings of the hood.

The zoom action is at it’s shortest physical length at the 12mm mark but extends the front of the lens only marginally as you zoom to the two extremes of the focal length. There is, however, no method of using filters and with the 180° field of view at the widest, no point in trying to attach any.

Optical quality
Don’t mix this lens up with some of the other 10mm offerings on the market, this is a fisheye lens and therefore uncorrected for perspective. Although the image fills the frame (and is not what is known as a circular fisheye), the distortion especially at the edges of the frame, is very noticeable. It is beyond the capabilities of Imatest to measure it.

Resolution at the centre of the frame is quite good and peaks with the lens stopped down just a notch with chromatic aberrations surprisingly well controlled across the full extent of the frame. Performance is best at the shorter focal length but the drop in resolution is minimal as the focal length increases. Flare, which is often a bugbear with this type of optic, is well controlled and ghosting is almost impossible to induce, a good omen.
By the nature of the lens, the edge performance drops but is still good considering the light has been bent to close on a right angle!


f/5.6 and 17mm are the settings here

10mm for this one, but 100m closer

The same f/5.6, this time at 17mm with the building filling the frame

From some 5m away at 10mm and f/5.6

Click on each comparision photo below to view full size versions


10-17mm set at 10mm and f/8

10-17mm set at 17mm and f/8


10-17mm set at 10mm and f/3.5


10-17mm set at 17mm and f/4.5

Below is our lens test data. To find out how to use these graphs look at this article: How we test lenses

Verdict
Similar in optical construction to the Pentax 10-17mm lens, this offering from Tokina is well built and feels like it will last. As there is little weight penalty, it is a useful lens for those interested in panographic photography and those with a creative bent.

In summary, the positive points of the Tokina AT-X DX 10-17mm f/3.5-4.5 lens are:
Good construction and neat finish
Compact
Wide coverage of 180-100° on APS-C

The negative points are::
Restricted usefulness
Inability to attach filters
No manual over-ride of AF

Check the latest price of the Tokina AT-X DX 10-17mm f/3.5-4.5 lens here

Discuss this lens and other related lens subjects here

Test by Ian Andrews www.wildaboutkent.com

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