tommy_t Member  189 posts Likes: 16 Joined Mar 2003 Location: Canada More info | Jul 30, 2015 20:29 | #1 I just picked up a slightly used Canon 24-105 f/4L for my 60D and I'm a bit surprised that my IQ with this lens seems very poor. My 17-40 f/4L and 50mm f/1.4 and even 24mm f/2.8 STM seem to give me better results. 24-105 seem grainy and soft. Please have a look at some samples. Picture title is the lens used. All images were shot RAW and untouched, exported as JPG in Lightroom. Fujifilm X-T10
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Jul 30, 2015 22:34 | #2 I have this lens. I use it for portraits and fashion. It's been a go to lens of mine since I bought it. Your images looks fine to me. When viewing for sharpness in conjunction with portraits, I'm usually going straight to the subjects eyes. If I can count lashes, I know my image is sharp. I do find that f/4 is a bit soft for my taste so I'll usually stop down to f/5.6 or f/8. ~Chris
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Jul 30, 2015 22:58 | #3  Permanent banThe lens may be soft. Grainy comes from the camera or the user. WARNING: I often dispense advice in fields I know little about!
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Nogo POTN record for # of posts during "Permanent Ban" 9,193 posts Gallery: 17 photos Likes: 685 Joined Dec 2013 Location: All Along the Natchez Trace (Clinton, MS) More info | Jul 30, 2015 23:08 | #4 The first question, did it come with a filter? If it did, take it off now. Philip
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tdlavigne Senior Member  364 posts Likes: 108 Joined Mar 2015 Location: Los Angeles, CA More info | Jul 31, 2015 02:20 | #5 I've tried two copies of this lens, and neither really wowed me sharpness wise. Good for a cheap (relatively speaking), fast-ish zoom with IS....but it doesn't really compare to any of the other L lenses I've used. Looked through the images, they all seem about on par with what I've seen with both copies I had. They're not necessarily soft...but definitely not razor sharp either.
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Jul 31, 2015 06:14 | #6 they look fine to me. Canon 5d mkii | Canon 17-40/4L | Tamron 24-70/2.8 | Canon 85/1.8 | Canon 135/2L
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ThreeHounds Goldmember  More info Post edited over 8 years ago by ThreeHounds. | Jul 31, 2015 08:39 | #7 Most of the shots with the 24-105 are a bit under exposed and low in contrast, which will make them look soft and a bit grainy in the shadow areas. The one pic that is well exposed (against the stone pillars) looks like focus was missed... front focused. 5D MkIII | 7D | Bronica ETRS
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Jul 31, 2015 08:55 | #8 I can really tell the difference when working in Lightroom. The first question, did it come with a filter? If it did, take it off now. It did come with a UV filter. I haven't tried it with the filter off. I've tried two copies of this lens, and neither really wowed me sharpness wise. Good for a cheap (relatively speaking), fast-ish zoom with IS....but it doesn't really compare to any of the other L lenses I've used. Looked through the images, they all seem about on par with what I've seen with both copies I had. They're not necessarily soft...but definitely not razor sharp either. Did you end up replacing it with a different lens? I had a chance to get a 24-70 f/2.8L for a few hundred more, I thing I might have been better off. Fujifilm X-T10
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artyH Goldmember 2,118 posts Likes: 32 Joined Aug 2009 More info | Jul 31, 2015 09:35 | #9 It will need high enough shutter speeds for people photos. What are you using? On a crop body, you want 1/focal length x 1.6.
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Jul 31, 2015 09:57 | #10 I used my 24-105L at last years' Comic Con in NYC. Although my shutter speed was a bit slow and resulted in some out-of-focus shots, I was pretty happy with this lens. User error in my case. EOS R5 | EOS R7 | iPhone 12 Pro
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Jul 31, 2015 10:56 | #11 I used my 24-105L at last years' Comic Con in NYC. Although my shutter speed was a bit slow and resulted in some out-of-focus shots, I was pretty happy with this lens. User error in my case. Pictures look good with the 6D. I think that's my next purchase... Fujifilm X-T10
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Closed123 Senior Member 512 posts Likes: 44 Joined Aug 2009 More info | Jul 31, 2015 11:08 | #12  PermanentlyI use this lens with my 60D and I must say I get superb images; sharp and contrasty. Prefer this lens to the 17-55 from Canon. Canon EOS 80D
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You can get it now for a lot less than I got it for last year. EOS R5 | EOS R7 | iPhone 12 Pro
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Nogo POTN record for # of posts during "Permanent Ban" 9,193 posts Gallery: 17 photos Likes: 685 Joined Dec 2013 Location: All Along the Natchez Trace (Clinton, MS) More info | Jul 31, 2015 12:14 | #14 ThreeHounds wrote in post #17651205  Maybe do a Micro Focus Adjust. At first thought I would have suggested this too, but then I noticed the camera is a 60D. Philip
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At first thought I would have suggested this too, but then I noticed the camera is a 60D. I tried to check the focus using a focus chart. Seem to be working properly. I use this lens with my 60D and I must say I get superb images; sharp and contrasty. Prefer this lens to the 17-55 from Canon. Do you have any full size samples you can share? Fujifilm X-T10
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