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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 28 Jul 2012 (Saturday) 12:34
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Canon 16-35L II softness issue

 
Daan37
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Jul 28, 2012 12:34 |  #1

I notice some weird softness issue on my new 16-35L II. Sometimes it is there, sometimes it isn't. Some kind of glow against high contrast areas. But it doesn't look like fringing. It happens mostly in the 20-28mm range.

See this example at 24mm, f/2.8, 1/1000th

Here the whole snapshot:
http://farm8.staticfli​ckr.com …62950802_622768​c7bc_b.jpg (external link)

Here is a 100% crop of the area in focus:
http://farm9.staticfli​ckr.com …62951430_7cfb37​f5e3_b.jpg (external link)

Zoomed in to 200% to make it more visible (top side of cup and white chair):
http://farm8.staticfli​ckr.com …62951032_27c6d5​8ba1_b.jpg (external link)

While I really have to zoom in to see the phenomenon clearly, the whole picture itself lacks contrast and clarity, making it soft looking. Shall I return the lens to the seller? Sure would help if I have some idea of what is causing this. It doesn't seem to be focus related.

What do you make of it?


Canon + Elinchrom | www.daanbarnhoorn.nl (external link)

  
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GuitarDTO
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Jul 28, 2012 14:30 |  #2

I would return the lens and ask for another, it's always going to bug you. You could also consider calling canon and maybe having it sent in for calibration? I dunno, but I had a sigma 12-24 that had the same random softness going on and it annoyed me, I returned the lens.


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Daan37
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Jul 28, 2012 15:45 |  #3

Yeah, maybe I should Canon take a look at it.


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Silverstonev8
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Jul 28, 2012 16:43 |  #4

Stop it down a bit...


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Daan37
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Jul 29, 2012 03:12 |  #5

Silverstonev8 wrote in post #14782584 (external link)
Stop it down a bit...

Yes, that helps, as you can see in these samples:

Images are RAW converted in LR3 with default values.

24mm, f/2.8
http://farm9.staticfli​ckr.com …67074908_4fd1d7​73f3_z.jpg (external link)

24mm, f/4
http://farm8.staticfli​ckr.com …67074794_07a19a​6028_z.jpg (external link)

28mm, f/2.8
http://farm8.staticfli​ckr.com …67074652_6939a4​8b0d_b.jpg (external link)

28mm, f/4
http://farm8.staticfli​ckr.com …67074492_d07a0f​88a7_b.jpg (external link)

35mm, f/2.8
http://farm9.staticfli​ckr.com …67074362_628831​7d20_b.jpg (external link)

35mm, f/4
http://farm9.staticfli​ckr.com …67074226_51ecae​af75_b.jpg (external link)

Does this look 'normal' for the 16-35L II wide open in hard contrast?


Canon + Elinchrom | www.daanbarnhoorn.nl (external link)

  
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ROGERWILCO357
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Jul 29, 2012 07:07 |  #6

is this something that plagues the 16-35mk2?


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yogestee
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Jul 29, 2012 07:45 |  #7

Daan37 wrote in post #14781790 (external link)
I notice some weird softness issue on my new 16-35L II. Sometimes it is there, sometimes it isn't. Some kind of glow against high contrast areas. But it doesn't look like fringing. It happens mostly in the 20-28mm range.

See this example at 24mm, f/2.8, 1/1000th

Here the whole snapshot:
http://farm8.staticfli​ckr.com …62950802_622768​c7bc_b.jpg (external link)

Here is a 100% crop of the area in focus:
http://farm9.staticfli​ckr.com …62951430_7cfb37​f5e3_b.jpg (external link)

Zoomed in to 200% to make it more visible (top side of cup and white chair):
http://farm8.staticfli​ckr.com …62951032_27c6d5​8ba1_b.jpg (external link)

While I really have to zoom in to see the phenomenon clearly, the whole picture itself lacks contrast and clarity, making it soft looking. Shall I return the lens to the seller? Sure would help if I have some idea of what is causing this. It doesn't seem to be focus related.

What do you make of it?

I don't see anything wrong with this image.

The lack of contrast is probably due to being taken in the shade. This can be fixed in post production.


Jurgen
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imagesbybarbara
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Jul 29, 2012 08:01 |  #8

I have the older version and it is so sharp, I would send it back if you have doubts, also the images looks like there is a lot of noise in them I would try shooting in a different lighting situation.

Edited to say I was looking at the bike image, the second set seems better but still off, I would do another test in open sunlight and see maybe use a tripod.


16-35 2.8L 24-105L 35 1.4L 135L 50 1.4 85 1.8 and 100 macro, 5D, 5D2, 40D, 20D, (3) 550, 2 Sunpak 555, white lighting studio set-up.

  
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Canon 16-35L II softness issue
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