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Canon 24mm TSE II vs 17-40L Compared
  
 
Sneakyracer
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p.1 #1 · p.1 #1 · Canon 24mm TSE II vs 17-40L Compared


Hi, I recently sent my 17-40L (about 10 years old) to Canon to have them clean it and adjust it since the zoom ring was loose and the focus ring felt a bit gritty. It came back looking almost brand new after a week.

I mounted my 5D3 on the Gitzo 3 series tripod (RRS head) and shot an image with it and another with the 24mm TSE-II which I love and use quite a bit. The settings were identical (iso 100, f8, 1/400) and the processing on Lightroom minimal (no lens or CA corrections) and identical on both images. Any color differences are due to the way the lens renders the image. The 17-40L is noticeably warmer than the 24 TSE II, which is a bit more neutral.

Honestly I was impressed with the 17-40L. Even up to the very edge of the image, when viewed at 100%, I cannot really tell the two apart in regards to resolution. It is that close. (The 17-40L was set at about 25mm to get almost identical angle of view).

The first image in each pair is from the 24mm TSE-II.







24mm TSE-II @ f8







17-40L @ 25mm f8







24mm TSE-II @ f8 Center Crop







17-40L @ 25mm f8 Center Crop




May 07, 2014 at 03:07 PM
Sneakyracer
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p.1 #2 · p.1 #2 · Canon 24mm TSE II vs 17-40L Compared


More 100% Crops





24mm TSE-II @ f8 Right Border Crop







17-40L @ 25mm f8 Right Border Crop







24mm TSE-II @ f8 Lower Border Crop







17-40L @ 25mm f8 Lower Border Crop




May 07, 2014 at 03:10 PM
philshoots
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p.1 #3 · p.1 #3 · Canon 24mm TSE II vs 17-40L Compared


I have one and am happy with the results. All zooms are compromises but they can be very handy. My 70-200/4 is another that looks very good @5.6/8. Photozone gave the 17-40 a fair /good review. I just shot mine this weekend, three of the five posted here on FM were 17-40. Thanks
Phil
http://www.fredmiranda.com/forum/topic/1292333

http://www.photozone.de/canon_eos_ff/427-canon_1740_4_5d



May 07, 2014 at 03:35 PM
leftcoastlefty
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p.1 #4 · p.1 #4 · Canon 24mm TSE II vs 17-40L Compared


I don't get the point of this test. Most any lens will perform nicely at f/8. Over on the-digital-picture.com, the 24mm TSE looks a bit better in the corner, but both lens are plenty acceptable. The need for a zoom or a shift is more of a deciding factor than image quality at f/8.


May 07, 2014 at 03:38 PM
rbn920
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p.1 #5 · p.1 #5 · Canon 24mm TSE II vs 17-40L Compared


Thanks for posting this. I have been lusting after the 24 for some time now, posts like this help me resist a bit. Although, I think some of the allure of the 24 is getting to fiddle with the knobs a bit!


May 07, 2014 at 03:54 PM
Bones74
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p.1 #6 · p.1 #6 · Canon 24mm TSE II vs 17-40L Compared


I'd always read good things about the 17-40L, but I was disappointed with my copy. It was sharp enough in the centre but edges (on 7D and 1D4) were terrible, especially on the left. I can only assume I didnt get a good copy and may well get another at some point. 24mm isn't quite wide enough in some situations.

Thanks for the samples Sneaky, and glad your copy is in good health again



May 07, 2014 at 04:03 PM
gdanmitchell
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p.1 #7 · p.1 #7 · Canon 24mm TSE II vs 17-40L Compared


leftcoastlefty wrote:
I don't get the point of this test. Most any lens will perform nicely at f/8. Over on the-digital-picture.com, the 24mm TSE looks a bit better in the corner, but both lens are plenty acceptable. The need for a zoom or a shift is more of a deciding factor than image quality at f/8.


The point might well be that if your shooting with an ultra wide lens is mostly about using medium to smaller apertures and you don't need tilt/shift features you may find few advantages in using the fine but expensive TS lenses, and you would have to give up the flexibility of the zoom.

To the OP, you can improve the 17-40 images a bit more by running the automatic CA correction in your raw converter to eliminate the red and blue/green color fringing in the corners.

Take care,

Dan



May 07, 2014 at 04:07 PM
Rajan Parrikar
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p.1 #8 · p.1 #8 · Canon 24mm TSE II vs 17-40L Compared


Those who own/use the TS-E 24II lens have specific situations in mind. The 17-40 is not going to cut it in those situations.


May 07, 2014 at 04:11 PM
Sneakyracer
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p.1 #9 · p.1 #9 · Canon 24mm TSE II vs 17-40L Compared


The point of this test for me was personal just to see if the lens I sent to be adjusted came back equal or better than before I sent it in. I think it came back a touch better. I just did a quick comparison, nothing extremely rigorous or technical, but just good enough to show me what I can expect from this lens when I am using it for landscapes.

I did not do any lens corrections this time to see how each lens was performing but it is normally a step in my post processing. I find the lightroom corrections excellent.

The 24 TSE II excels when doing a lot of shift and the tilt is very useful as well in a lot of situations. I agree, if you do not use or want that capability there are other choices that are a much better value.



May 07, 2014 at 04:20 PM
mttran
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p.1 #10 · p.1 #10 · Canon 24mm TSE II vs 17-40L Compared


If you don't use anything larger than f5.6 then get the light 17-40L. After DPP lens correction plug-ins it is good just like any lens in that range: http://www.fredmiranda.com/forum/topic/1292409/0#12327812





Edited on May 07, 2014 at 04:24 PM · View previous versions



May 07, 2014 at 04:22 PM
 

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Jeff Nolten
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p.1 #11 · p.1 #11 · Canon 24mm TSE II vs 17-40L Compared


Thanks for posting this. I now have both lenses and while I agree they have different uses, its good to see they both do their jobs well where those uses overlap. The 17-40 has a reputation for being soft in the corners and while this is somewhat true at f4, these images demonstrate that it is not true at f8.


May 07, 2014 at 04:24 PM
Rajan Parrikar
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p.1 #12 · p.1 #12 · Canon 24mm TSE II vs 17-40L Compared


Out of curiosity - can you please post a comparison of the lower corners?


May 07, 2014 at 04:32 PM
JohnBrose
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p.1 #13 · p.1 #13 · Canon 24mm TSE II vs 17-40L Compared


It's helpful to see the comparison, I've used the tilt/shift a few times and wasn't real impressed with it's sharpness-I think mostly because I kept reading internet reviews that said it was so wonderful. I did really like using the 17mm version though. The 17-40 is really a great, probably under rated lens. I switched out mine for a 16-35 because I needed f2.8, but I haven't seen any benefit in sharpness from the higher priced lens.


May 07, 2014 at 04:37 PM
mttran
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p.1 #14 · p.1 #14 · Canon 24mm TSE II vs 17-40L Compared


Another handheld 17-40L sample after DPP plug-ins, click on image for bigger size: http://farm8.staticflickr.com/7327/9449889858_e7013f8c69_k.jpg


May 07, 2014 at 04:43 PM
Sneakyracer
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p.1 #15 · p.1 #15 · Canon 24mm TSE II vs 17-40L Compared


Here is the 17-40L again on the 5D3 but now compared against the really big gun…(my main "weapon" for landscapes)





17-40L @ 28mm f8












17-40L @ 28mm f8 Lower Center Border







Lower Center Border




May 07, 2014 at 05:16 PM
Sneakyracer
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p.1 #16 · p.1 #16 · Canon 24mm TSE II vs 17-40L Compared


More Crops





17-40L @ 28mm f8 Center Crop







Big Gun Center Crop







17-40L @ 28mm f8 Right Border crop







Big Gun Right Border Crop




May 07, 2014 at 05:18 PM
Sneakyracer
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p.1 #17 · p.1 #17 · Canon 24mm TSE II vs 17-40L Compared


Rajan Parrikar wrote:
Out of curiosity - can you please post a comparison of the lower corners?


Here is a 100% crop of the lower right corner to the very edge of the image






24mm TSE-II @ f8 Right Lower Corner Crop







17-40L @ 25mm f8 Right Lower Corner Crop




May 07, 2014 at 05:23 PM
Jeff Nolten
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p.1 #18 · p.1 #18 · Canon 24mm TSE II vs 17-40L Compared


So what is your big gun, medium format?


May 07, 2014 at 05:34 PM
nntnam
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p.1 #19 · p.1 #19 · Canon 24mm TSE II vs 17-40L Compared


This is really a big surprise for me. For what I heard and read, the TS-E is far more superior than any prime lens in term of IQ at the same focal length. However your test show it's not really as good as they said. Feel a little bit disappointed here, because I'm going to purchase the 24 TS-E II.


May 07, 2014 at 05:40 PM
Sneakyracer
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p.1 #20 · p.1 #20 · Canon 24mm TSE II vs 17-40L Compared


Jeff Nolten wrote:
So what is your big gun, medium format?


Yes, 60MP PhaseOne IQ160 and a 40mm HR-W Rodenstock (on an Arca Swiss RM3Di)

These shots are straight on without any shift or tilt and no LCC (Lens Cast Correction) and no lens corrections. I processed these in Lightroom alongside the Canon files but processing the Phase files in Capture One will improve them a bit further. Of course the 40mm HR-W is stunning even when shifted 12-15mm in any direction. That makes it superb for flat stitching (since all the movements are on the back on the Arca) although I try to do cylindrical pano stitching (using an RSS pano base) whenever I can.



May 07, 2014 at 05:43 PM
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