Reviews and Problems with Canon EF 24-70mm f/2.8L USM
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Value for money 8
schizoo23, Photography Review
17 September 2010
Summary: Nice zoom. The global rendering is what you can expect from a L zoom, the focal range is perfectly adapted for any situation except maybe sport BUT: -No IS for a 2.8 aperture, that would be a plus for wedding pictures and low light situations -Not that sharp on full frame. Any prime beats it. Of course they are primes but at this price I would expect a bit more sharpness, especially at 5.6 or 8.
Conclusion: This was my first Canon L Lens purchase and had very high expectations for its performance. Current inventory: Canon 50 1.8 & Canon 18-200EFS 3.5-5.6 The 18-200 is half the price of the 24-70L and at similar focal lengths the 18-200 came out on top on what I thought was a 'sharpness' factor (details of back focusing below). As for depth the 24-70L and wide aperture was very noticeable. Also nice bokeh.
Pros: Great Bokeh, Quick & Quiet Focus
Cons: Heavy, Mis-Calibrated Autofocus (Battery Test/Back Focus Test), Low Light performance not as good as prime lens, UV Filter overpriced
Conclusion: I've had this lens for 8 months, and I had to AF micro adjust it on my 5D Mark 2 several times because of "back-focusing" issues. On occasion, this lens would be sharp. However, if you focus off to infinity, good luck. Everything looks "smudged" and it would just ruin your entire day. Took this lens to the desert, which had high winds (30mph) and came back with "crunching" in the focus ring. I'm guessing my lens is not a "good" copy, so it mis focuses a lot.
Pros: F/2.8, Huge lens hood makes zooming un-noticeable. Makes a lot of people think you have an insane zoom range! Sometimes can be very sharp.
Cons: Weather sealing is questionable certain situtations, Mis-focusing, "have to win the lottery to get a good copy". HEAVY, and doesn't seem to be as consistent as my GF's 24-105 f/4 IS
Canon EF 24-70mm f2.8L USM Standard Zoom Lens for Canon SLR Cameras
shepard061644, Rate it all!
7 February 2009
Summary: The 24-70 2.8L should be a fantastic piece of glass - it is clear to me that canon has some serious quality control issues with this lens. I cannot find the sweet spot for image quality -- I sent the lens back to Canon, they "repaired" it and it came back no better than before. After I wrote their CEO, they replaced the lens under warranty. The new one is slightly sharper -- but still disappoints.
Summary: i purchased a copy of this lens and received it on august 29. the lens is coupled to my eos 20d. i take a lot of group and solo pictures at work and must have shot around 300 frames since i received this lens. the sharpness of the images are not consistent. when the images are sharp, they really are sharp and don't need to be adjusted for sharpness in photoshop CS3. but when the images are out of focus, they are baad!!
Summary: I did not get what I was hoping for from this lens. There were problems with the focus and sharpness. I am very dissappointed with it, because I was not expecting this type of quality from an "L" lens.
Conclusion: I did own this lens for 6 months and it was very soft at f/2.8 and (too) soft at f/4.0. Sold it 5 months ago to a guy which wanted it to use from f/5.6 and up, so this was not a problem for him. But I really miss the 24-70mm for my concert photography. So today I went to the store and told the salesman my history with my previous 24-70mm and that I first wanted to take sample pictures to see if they had a good copy.
Pros: Build quality, colour, contrast, very attrative range of 24-70mm
Cons: far too many bad (too soft) copies out there, still have not found a good sharp one.
Summary: The image quality, well, is just great. To bad that its so heavy and large. I would question using this lens as your walk around the city lens. I'll wouldn't buy this lens if I have to do over for my walk around lens. I'll gave it a three stars just because it's to heavy and large.
Pros: Excellent Image Quality, Sharp Focus, Strong Construction
Summary: I use this as a general purpose lens as a press photographer. I am constantly amazed by how bad the sharpness is between 2.8 and 8, in fact sometimes it's terrible. After talking with many photographers who use this lens in similar situations, most agree that sharpness is a major issue, especially for such an expensive "top of the range" canon lens.
Pros: Durable, Easily Interchangeable, Easy To Clean, Rugged