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Home  >  Canon EOS Lenses >  Item # TK12242CA (MFR# ATX124DXIIC)

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AT-X 124 Pro DX II  12-24mm f4.0 Type II Lens
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Tokina AT-X 124 Pro DX II 12-24mm f4.0 Type II Lens

Condition: Brand new, USA Warranty
12 - 24mm Focal Length. f/4 Max Aperture. f/22 Min Aperture. 13 Elements in 11 Groups Construction. Multi-layer Coatings. 99 - 61 Degree Angle of View. 77mm Filter Size.

The optical system of original AT-X 124 PRO DX won awards for its sharpness world-wide. This design was maintained in the AT-X 124 PRO DX II and improved with the introduction of new multi-coating_ system. The new multi-coating helps reduce reflections that can cause flare and ghosting even more than in the AT-X 124 PRO DX.

The AT-X 124 PRO DX II features the one-touch focus clutch mechanism. To use the one-touch focus clutch mechanism, move the focus ring forward, towards the front of the lens, for AF or back for MF. This allows for a fast and easy manual over-ride in difficult lighting situations.

Digital single-lens reflex DX lens dedicated to digital SLR cameras with APS-C sized sensors.

The Canon version of the lens already has a built-in AF motor and will benefit from the improved multi-coating.


  • Focal Length 12 - 24mm
  • Maximum Aperture f/4
  • Minimum Aperture f/22
  • Construction E/G 13 Elements in 11 Groups
  • Coatings Multi-layer
  • Angle of View 99 - 61?
  • Minimum Focus Distance 1.0 ft (0.3 m)
  • Macro Ratio 1:8
  • Zooming System Rotary Type
  • Aperture Blades 9
  • Filter Size 77mm
  • Lens Width 3.5 in (87.88mm)
  • Lens Length 3.5 in (88.90mm)
  • Weight 1.2 lbs (540g)
  • Lens Hood BH-777 Star bayonet hood
  • Mounts Canon APS-C, Nikon APS-C
  • Warranty 3 Year Limited Warranty

Notes: The lens is designed for Digital cameras with APS-C sized CMOS and CCD sensors (DX) , not designed for cameras with Full Frame sensors (FX).

Customer Reviews
Tokina AT-X 124 Pro DX II 12-24mm f4.0 Type II Lens

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4 out of 5 stars   Very nice lens. Good value.
By MacMike (CT) September 23, 2013
Review submitted for Tokina AT-X 124 Pro DX II 12-24mm f4.0 Type II Lens (TK12242CA)
Verified Purchaser
Other Comments: This lens is built like a tank, and feels like a quality item. At the 12mm end of the zoom, the image is pretty sharp, with good contrast, from edge-to-edge, even at f/4, except for maybe the outer ~5% where it goes a little soft. Still, a very nice, perfectly acceptable, image overall. There is some chromatic abberation visible on high-contrast edges, which is at its worst near the edges at large apertures, but it improves a little as you stop down. This is not unusual for many lenses in this price range, and I don't regard it as a problem with this lens. At the 24mm end of the zoom, the images seem to have a little less contrast and are a little on the soft side, but still very acceptable in my opinion. Unfortunately, with the copy of the lens that I received, the image gets progressively and unacceptably fuzzier from left to right, at the 24mm end of the zoom range. The softness on the right side improves as you stop down to smaller apertures, but never really gets acceptably sharp until about f/11. This type of problem is likely not a result of poor design, but more likely due to an alignment error during assembly, or shipping damage. I will be returning the lens because of this issue, but I would not let my experience dissuade anyone from buying this lens, because the one you get may not have this issue. Lens flare is another concern for me, but it may not be an issue for you. I like low-light/nighttime photography, and bright light sources like street lights produce very noticeable lens flare in the image. (For comparison, even the inexpensive Canon 55-80 kit lens does not produce any noticeable flare at all in the exact same situations.) Overall, I think the Tokina 12-24 zoom is a very nice lens, and a good value. If mine had not had the defect at the 24mm end of the zoom, I would have been happy to keep it, despite the flare.
I recommend this product Yes, I recommend this product
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