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Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Canon Digital SLRs Reviews
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Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Canon Digital SLRs Overview:
- Designed for use with full frame digital cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 17-35mm with most cameras
- A splash-proof design allows for use in harsh conditions.
- One SLD and Four FLD glass
- Minimum focusing distance of 11 inches
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Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Canon Digital SLRs Reviews
9 of 9 people found the following review helpful 
Better than I thought......., September 12, 2011 Amazon Verified Purchase This review is from: Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Canon Digital SLRs (Electronics) After reading all of the reviews about distortions on this lens compared to the
older version which I just sold I was very hesitant ordering version II.
But with Amazon return policy I could not go wrong.
Got this lens and I was very surprised.
Distortions are not as bad as in reviews. In the worst case
if straight lines are very close to the edge and the edge is just few feet from the lens
I get barrel distortion. Easily fixed and at the most I lose 1mm. Probably less.
In real life it almost never happens. This lens is also very sharp wide open maybe even slightly sharper than Canon 16-35mm F2.8
at F4.
On the other hand corner sharpness is almost 2 stops better than previous version of this lens.
Not only that but on previous version corners were smudged unless stopped down to at least F8 or more.
On the new version corners are just less sharp but still very acceptable wide open.
Combine that with much less vignetting (at... Read more
6 of 6 people found the following review helpful Sigma 12-24mm II by nh_photofan, September 4, 2011 By Amazon Verified Purchase This review is from: Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Canon Digital SLRs (Electronics) Cons:
Soft in corners at 12mm until f/11-16. A little more CA at 12mm than I had hoped with all that FLD glass. More barrel distortion at 12mm (but easy to correct) than I saw in tests of original version lens (I don't have it).
Pros:
Excellent landscape lens. Good corner sharpness when stopped down. Better than my beloved 17-40L Canon. (They have similar MTF charts). Good autofocus, fast and accurate.
I tested the new version vs Canon 17-40mm L at 17mm and 24mm focal lengths on Canon 5d (FF). The 12-24 has much better corner sharpness than the Canon at 17mm and equal or better corner sharpness at 24mm at all apertures. At 12mm, the extreme corners (last 2-3mm) are very soft wide open and soft until f/11 (pixel peeping at 100%). No issues with sharpness when used on APS-H or Aps-C crop cameras. Not as sharp in corners as 14mm F2.8 Samyang/Rokinon at any aperture.
11 of 13 people found the following review helpful great lens but you must learn how to use it., January 11, 2012 By This review is from: Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Canon Digital SLRs (Electronics) I want to support Sigmas efforts to develop a lens that covers these extreme ranges in a usable zoom so I am writing this review to put the professional photographers mind at ease when considering this lens. This lens is an important lens for me and can be for many other professional photographers as well.
I have been shooting professionally for about 25 years and have worked with everything from 35mm film to 8X10 film. I shoot advertising, food, catalogs and architecture and went digital in 1999 with the Kodak system mounted to Nikon bodies. I switched from Nikon to Canon for the full frame Canon 5D and currently shoot Canon 5D MKIIs and have all the usual L lenses.
Digital sensors are different than film in that film is actually three demential. The "grain" in film is three-dimensional crystals and can easily react to light even if that light arrives from extreme angles. Digital sensors are flat planes with pixel wells and react differently to light. The lens... Read more
› See all 6 customer reviews...
| 9 of 9 people found the following review helpful Better than I thought......., Amazon Verified Purchase This review is from: Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Canon Digital SLRs (Electronics) After reading all of the reviews about distortions on this lens compared to theolder version which I just sold I was very hesitant ordering version II. But with Amazon return policy I could not go wrong. Got this lens and I was very surprised. Distortions are not as bad as in reviews. In the worst case if straight lines are very close to the edge and the edge is just few feet from the lens I get barrel distortion. Easily fixed and at the most I lose 1mm. Probably less. In real life it almost never happens. This lens is also very sharp wide open maybe even slightly sharper than Canon 16-35mm F2.8 at F4. On the other hand corner sharpness is almost 2 stops better than previous version of this lens. Not only that but on previous version corners were smudged unless stopped down to at least F8 or more. On the new version corners are just less sharp but still very acceptable wide open. Combine that with much less vignetting (at... Read more 6 of 6 people found the following review helpful Sigma 12-24mm II by nh_photofan, By Amazon Verified Purchase This review is from: Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Canon Digital SLRs (Electronics) Cons:Soft in corners at 12mm until f/11-16. A little more CA at 12mm than I had hoped with all that FLD glass. More barrel distortion at 12mm (but easy to correct) than I saw in tests of original version lens (I don't have it). Pros: Excellent landscape lens. Good corner sharpness when stopped down. Better than my beloved 17-40L Canon. (They have similar MTF charts). Good autofocus, fast and accurate. I tested the new version vs Canon 17-40mm L at 17mm and 24mm focal lengths on Canon 5d (FF). The 12-24 has much better corner sharpness than the Canon at 17mm and equal or better corner sharpness at 24mm at all apertures. At 12mm, the extreme corners (last 2-3mm) are very soft wide open and soft until f/11 (pixel peeping at 100%). No issues with sharpness when used on APS-H or Aps-C crop cameras. Not as sharp in corners as 14mm F2.8 Samyang/Rokinon at any aperture. 11 of 13 people found the following review helpful great lens but you must learn how to use it., By This review is from: Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Canon Digital SLRs (Electronics) I want to support Sigmas efforts to develop a lens that covers these extreme ranges in a usable zoom so I am writing this review to put the professional photographers mind at ease when considering this lens. This lens is an important lens for me and can be for many other professional photographers as well.I have been shooting professionally for about 25 years and have worked with everything from 35mm film to 8X10 film. I shoot advertising, food, catalogs and architecture and went digital in 1999 with the Kodak system mounted to Nikon bodies. I switched from Nikon to Canon for the full frame Canon 5D and currently shoot Canon 5D MKIIs and have all the usual L lenses. Digital sensors are different than film in that film is actually three demential. The "grain" in film is three-dimensional crystals and can easily react to light even if that light arrives from extreme angles. Digital sensors are flat planes with pixel wells and react differently to light. The lens... Read more |
› See all 6 customer reviews...
