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Reviews (3)
Jul 21, 2009
Great wide angle lens
2 of 2 found this helpful This is one of the sharpest lenses I've used. Great contrast, excellent edge sharpness, both on APS-C and full frame. The one downfall of this lens is the focus drive. It's fairly loud, and slower than Canon USM or Nikon SW systems, but if you shoot wide angle, you're most likely not concerned with that. Sharpness is very close, if not better than the Canon 17-40mm f/4 L. Filter attachment is a little weird with the "filter hood" that goes over the built in hood. I've also had the lens show light flares, but good practice makes this avoidable. Overall, and excellent value for a sharp wide angle lens. The few drawbacks don't take away from the sharpness or build quality.
Jul 21, 2009
Great wide angle lens
2 of 2 found this helpful This is one of the sharpest lenses I've used. Great contrast, excellent edge sharpness, both on APS-C and full frame. The one downfall of this lens is the focus drive. It's fairly loud, and slower than Canon USM or Nikon SW systems, but if you shoot wide angle, you're most likely not concerned with that. Sharpness is very close, if not better than the Canon 17-40mm f/4 L. Filter attachment is a little weird with the "filter hood" that goes over the built in hood. I've also had the lens show light flares, but good practice makes this avoidable. Overall, and excellent value for a sharp wide angle lens. The few drawbacks don't take away from the sharpness or build quality.

Jan 13, 2020
This lens is exactly what I was looking for in an ultrawide.
Not the sharpest lens ever, but decent enough contrast and color. Very little distortion in the center makes it suitable for filming people, although there is quite a bit of warping toward the edge at wider focal lengths. Overall, very good value.