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Thread started 19 Apr 2007 (Thursday) 21:47
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Canon EF 50mm f/1.2L USM

 
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triton3k
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Mar 30, 2013 22:14 |  #9121

89/365 Easter Egg Hunt

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Judsonzhao
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Mar 31, 2013 00:09 |  #9122

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Fly me away.

  
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jwcdds
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Mar 31, 2013 00:47 |  #9123

IMAGE: http://julianchen.smugmug.com/Misc/Lens/Canon-50L/i-ZbchWQq/0/L/20130328-Canon%20EOS-1D%20X-1DX_7955-L.jpg

Julian
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bjornli
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Mar 31, 2013 08:53 |  #9124

i did a comparison and some test-shots today with both my 50mm 1.4 @ 1.4 and my 50mm 1.2 @ 1.4, http://www.bjornlifoto​.no/50L_vs_50-1.4/ (external link)
its always sharper with 50 1.4, 50 1.2 always has a hazy /foggy feel to it.. this baby is going in for calibration/repairs/wh​atever

and when it actually is sharp, it looks like it backfocuses slightly


Canon EOS 5Dc (mk1), and some lenses.
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I am sorry If any bad English or typos, I am Norwegian and my English Is not perfect.

  
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AbPho
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Mar 31, 2013 15:30 |  #9125

bjornli wrote in post #15774956 (external link)
i did a comparison and some test-shots today with both my 50mm 1.4 @ 1.4 and my 50mm 1.2 @ 1.4, http://www.bjornlifoto​.no/50L_vs_50-1.4/ (external link)
its always sharper with 50 1.4, 50 1.2 always has a hazy /foggy feel to it.. this baby is going in for calibration/repairs/wh​atever

and when it actually is sharp, it looks like it backfocuses slightly

Have you micro focus adjusted the 50L yet? It makes a huge difference. From your recently sample shots I think you are right about the back focus. As long as it is consistent then you can compensate in camera with MFA. If the focus is not consistent then you have to sent it in. You 50/f1.4 looks like it is front focusing a bit. It could also benefit form MFA.

What focus mode do you have enabled with your 5D2? Single point or 9 point full auto?

Have you tried taking shots at f/8, for instance, to compare image quality, and not necessarily sharpness. See if you are still getting that hazy look.

Looking at the three images from the spike it is obvious the 50L is not that sharp. Regardless where the focus is.

Still think it is back focusing though. I still recommend trying MFA. It's free after all.


I'm in Canada. Isn't that weird!

  
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jwcdds
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Mar 31, 2013 23:55 |  #9126

IMAGE: http://julianchen.smugmug.com/Misc/Lens/Canon-50L/i-VCvmrmT/0/L/20130331-Canon%20EOS-1D%20X-1DX_8159-L.jpg

Julian
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jwcdds
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Mar 31, 2013 23:57 |  #9127

IMAGE: http://julianchen.smugmug.com/Family/Alexander/i-Sj3Z56b/0/XL/20130331-Canon%20EOS-1D%20X-1DX_8054-XL.jpg

IMAGE: http://julianchen.smugmug.com/Family/Alexander/i-rh3cWqK/0/XL/20130331-Canon%20EOS-1D%20X-1DX_8100-XL.jpg

IMAGE: http://julianchen.smugmug.com/Family/Alexander/i-Jghwnfp/0/XL/20130331-Canon%20EOS-1D%20X-1DX_8110-XL.jpg

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jwcdds
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Apr 01, 2013 00:01 |  #9128

IMAGE: http://julianchen.smugmug.com/Family/My-Precious-Abigail/i-BXK63X8/0/L/20130331-Canon%20EOS-1D%20X-1DX_8062-L.jpg

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bjornli
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Apr 01, 2013 01:01 |  #9129

AbPho wrote in post #15775999 (external link)
Have you micro focus adjusted the 50L yet? It makes a huge difference. From your recently sample shots I think you are right about the back focus. As long as it is consistent then you can compensate in camera with MFA. If the focus is not consistent then you have to sent it in. You 50/f1.4 looks like it is front focusing a bit. It could also benefit form MFA.

What focus mode do you have enabled with your 5D2? Single point or 9 point full auto?

Have you tried taking shots at f/8, for instance, to compare image quality, and not necessarily sharpness. See if you are still getting that hazy look.

Looking at the three images from the spike it is obvious the 50L is not that sharp. Regardless where the focus is.

Still think it is back focusing though. I still recommend trying MFA. It's free after all.

yeah, i tried, just cant seem to get it any better, will try some f8 shots today


Canon EOS 5Dc (mk1), and some lenses.
flickr (external link)

----
I am sorry If any bad English or typos, I am Norwegian and my English Is not perfect.

  
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antuni
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Apr 01, 2013 03:30 |  #9130

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robinkuijs
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Apr 01, 2013 03:44 |  #9131

Very nice pictures here. This is definately my most favorite lens for nice bokeh.

IMAGE: http://www.robinkuijs.nl/img/Dheza.jpg

Canon 5D3 | Canon 5D2 | Canon 16-35 2.8L | Canon 50 1.2L | Canon 85 1.8 | Canon 100 2.8L Macro

  
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bjornli
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Apr 01, 2013 07:43 |  #9132

I tried microadjustment now, i always focused on the letter g in lasagne, an think -18 is the best, but my screen and my eyes are not 100% :P
so what do you guys think?
f 1.8 / 1/500 @ iso 100 all of them,

http://www.bjornlifoto​.no/microadjust/ (external link)


Canon EOS 5Dc (mk1), and some lenses.
flickr (external link)

----
I am sorry If any bad English or typos, I am Norwegian and my English Is not perfect.

  
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JAcosta
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Apr 01, 2013 08:22 |  #9133

bjornli wrote in post #15778125 (external link)
I tried microadjustment now, i always focused on the letter g in lasagne, an think -18 is the best, but my screen and my eyes are not 100% :P
so what do you guys think?
f 1.8 / 1/500 @ iso 100 all of them,

http://www.bjornlifoto​.no/microadjust/ (external link)

Personally I'd say -19 is the most in focus.


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alwaysDSLR
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Apr 01, 2013 09:20 as a reply to  @ JAcosta's post |  #9134

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Click the link (if available) below to see the image in a gallery page.

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Canon | 5D3 | 50 f1.2L USM | 24-105 f4L IS USM | 70-200 f4L USM | 100 f2.8L Macro IS USM
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bjornli
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Apr 01, 2013 15:17 |  #9135

AbPho in this forum pm'd me that i should try something called dot-tune, and he also said there was a magic lantern with this automated, i have now done it but gotta go to sleep soon and work for some days so not sure when i will have time to shoot something in daylight to test if microadjust with magliglantern and dottune :)

needed -5 (thats what ML and dottune said)


Canon EOS 5Dc (mk1), and some lenses.
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I am sorry If any bad English or typos, I am Norwegian and my English Is not perfect.

  
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