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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 21 Mar 2013 (Thursday) 14:54
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polarizer (cpl) thickness for 24-70 f/2.8L II

 
sawsedge
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Mar 21, 2013 14:54 |  #1

I just bought the 24-70 II and it is my first lens with an 82mm filter thread. I would like to know if a regular thickness circular polarizer will cause any additional vignetting at 24mm? I know Ken Rockwell says it's fine but I'd like to hear if anyone else has tried a normal thickness CPL on this lens. Thanks!


- John

  
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pdrober2
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Mar 21, 2013 15:02 |  #2

you will have vignetting at 24 even without the filter :)


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sawsedge
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Mar 22, 2013 05:16 |  #3

I meant a hard vignette. Completely blocked corners.


- John

  
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TaDa
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Mar 22, 2013 06:04 |  #4

You didn't mention whether it was full frame or crop, but on full frame, thin mount would be your best bet.


Name is Peter and here is my gear:
Canon 5D II, Canon 7D, Canon 40D
Glass - Zeiss 21 f/2.8 ZE, Canon 35 f/1.4L, Canon 40 f/2.8 STM, Canon 24-70 f/2.8
L, Canon 85 f/1.2L II, Canon 70-200 f/2.8L IS II, Canon 500 f/4L IS
Speedlite 580ex II, 430ex - Gitzo GT-3541XLS w/ Arca B1

  
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sawsedge
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Mar 22, 2013 06:17 |  #5

I forgot, sorry. That is important. It is full frame. I broke the bank getting the lens and hope to save $100 on a filter.


- John

  
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TaDa
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Mar 22, 2013 06:22 |  #6

You spent 2k on the lens, don't go cheap on a filter. Great glass with crap glass between you and the subject will get you crap images.

I use a Lee 4x4 CPL to avoid all vignette, but with a regular screw in, you'll probably only vignette to around 28mm with a regular thickness CPL.


Name is Peter and here is my gear:
Canon 5D II, Canon 7D, Canon 40D
Glass - Zeiss 21 f/2.8 ZE, Canon 35 f/1.4L, Canon 40 f/2.8 STM, Canon 24-70 f/2.8
L, Canon 85 f/1.2L II, Canon 70-200 f/2.8L IS II, Canon 500 f/4L IS
Speedlite 580ex II, 430ex - Gitzo GT-3541XLS w/ Arca B1

  
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sawsedge
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Mar 22, 2013 06:59 |  #7

I won't go cheap, but I would like to avoid spending the extra bit on thin, if I don't need it.


- John

  
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jrscls
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Mar 22, 2013 07:59 |  #8

^This is the one I bought, very highly rated, yet less expensive than some of the others. It also has a slim ring but still holds a lens cap-

http://www.amazon.com …o05_s00_i00?ie=​UTF8&psc=1 (external link)


Nikon Z6, 24-70mm f/4 S, 70-200mm f/4 G VR, 35mm f/1.8 S, 85mm f/1.8 S, FTZ, Flashpoint/Godox Flashes

  
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TaDa
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Mar 22, 2013 08:07 |  #9

checkout maxsaver.


Name is Peter and here is my gear:
Canon 5D II, Canon 7D, Canon 40D
Glass - Zeiss 21 f/2.8 ZE, Canon 35 f/1.4L, Canon 40 f/2.8 STM, Canon 24-70 f/2.8
L, Canon 85 f/1.2L II, Canon 70-200 f/2.8L IS II, Canon 500 f/4L IS
Speedlite 580ex II, 430ex - Gitzo GT-3541XLS w/ Arca B1

  
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waterrockets
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Mar 22, 2013 09:43 |  #10

B+W makes slim MRC CPLs. Here's a review:
http://www.the-digital-picture.com …arizer-Filter-Review.aspx (external link)


1D MkIV | 1D MkIII | 550D w/grip & ML| EF 70-200mm f2.8L| EF 24-105mm f4L IS | Canon EF 100-400mm f/4.5-5.6L IS | Samyang 14mm f/2.8 IF ED UMC | 430EXii | EF 50mm f1.8

  
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Invertalon
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Mar 22, 2013 09:47 |  #11

I use a standard B+W KSM CPL with no issues. If you stack filters though it shows.


-Steve
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sawsedge
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Mar 22, 2013 14:52 |  #12

Thanks, all, for the info.


- John

  
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snowblower
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Mar 22, 2013 15:44 |  #13

Invertalon wrote in post #15742962 (external link)
I use a standard B+W KSM CPL with no issues. If you stack filters though it shows.

I use this too, no issues.


Canon 1D-X Mk II | Canon 1D-X | Canon 5DIII |Canon 8-15 F4L Fisheye | Canon 16-35 F2.8L | Canon 24-70 F2.8L II | Canon 35 F1.4L II | Canon 50 F1.2L | Canon 85 F1.2L II | Canon 70-200 F2.8L II IS | Canon 400 f2.8L | Canon 200-400 f4 IS Extender 1.4xL | Canon 800 F5.6L | Speed Light 600 EX II x6

  
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polarizer (cpl) thickness for 24-70 f/2.8L II
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