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f/1.2 or faster lenses wide open
  
 
briantho
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p.26 #1 · f/1.2 or faster lenses wide open


Some Canon FD 85 1.2 WO portraits of my daughter by my girlfriend Cecilia:


Josephine by Cecilia Jidkvist, on Flickr


Josephine by Cecilia Jidkvist, on Flickr


Josephine by Cecilia Jidkvist, on Flickr



Dec 02, 2012 at 04:00 PM
Taylor Sherman
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p.26 #2 · f/1.2 or faster lenses wide open


So this shot was interesting because I couldn't get the white parts in focus. I think maybe they were a bit blown-out on the viewfinder (Nex-7, pretty high contrast EVF), and so I never saw a sharp edge. Which bummed me out as this would've been a fairly nice pic if i'd gotten them in focus. With the CV 35/1.2 and a 0.9 ND filter.


DSC04704.jpg by Taylor Sherman, on Flickr



Dec 02, 2012 at 08:24 PM
georgms
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p.26 #3 · f/1.2 or faster lenses wide open


Playing with a Nikkor Ai 55/1.2 on a Nikon V1:

still hanging around von georgsfoto auf Flickr


the not so bright ones von georgsfoto auf Flickr


a pair von georgsfoto auf Flickr



Dec 02, 2012 at 08:32 PM
zhangyue
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p.26 #4 · f/1.2 or faster lenses wide open


A portrait of my father.
50mm f1.2 AIS on D700








Dec 03, 2012 at 07:46 AM
sebboh
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p.26 #5 · f/1.2 or faster lenses wide open


^^ excellent composition!


Dec 03, 2012 at 09:49 AM
mortyb
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p.26 #6 · f/1.2 or faster lenses wide open


+1. That's a great shot.


Dec 03, 2012 at 10:49 PM
dkerins
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p.26 #7 · f/1.2 or faster lenses wide open


I have aquired an "as is" Rokkor 58 1.2 (early version 250XXXX serial number) that has some scoring around the edge of the rear lens.

Looking at the this thread, I see images taken with other examples of this lens are quite sharp at f1.2 compared to this example of the lens I have.

I respectfully ask this community for advice about my lens. Should I investigate having a professional repair/polish the rear lens? Is the damage un-repairable?

Any advice gratefully accepted.

Thanks, David.

Bananas at f1.2






Bananas at f2.0






Bananas at f2.8






Couple images trying to show the scratching around the outter edge of the rear lens.

http://www.flickr.com/photos/davidkerins/8242852737/sizes/l/in/photostream/

Close up...







Dec 04, 2012 at 06:31 AM
crazeazn
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p.26 #8 · f/1.2 or faster lenses wide open


eek it should not be that bad at 1.2


Dec 04, 2012 at 06:46 AM
sebboh
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p.26 #9 · f/1.2 or faster lenses wide open


crazeazn wrote:
eek it should not be that bad at 1.2


is that a 100% crop or the full image?

the fact that i have to ask is a very bad sign if it's the full image.



Dec 04, 2012 at 06:52 AM
timballic
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p.26 #10 · f/1.2 or faster lenses wide open


Hey that's a wonderful soft focus effect, some people would spend a lot to get that!


Dec 04, 2012 at 09:11 AM
 

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dkerins
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p.26 #11 · f/1.2 or faster lenses wide open


The bananas are full image. The close up of the lens is a 100 crop. I suspect that the blemish around the edge is really softening the images when at f1.2. Is it even possible that a professional polish might improve things or is this lens irreparable?


Dec 04, 2012 at 04:08 PM
cogitech
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p.26 #12 · f/1.2 or faster lenses wide open


dkerins wrote:
The bananas are full image. The close up of the lens is a 100 crop. I suspect that the blemish around the edge is really softening the images when at f1.2. Is it even possible that a professional polish might improve things or is this lens irreparable?


I think you are pretty-much out of luck.

A proper copy of this lens should so this wide open:



100%:


To be honest, it seems to me like there is more wrong with the lens than just the scratches. It seems to me like it was disassembled and then re-assembled incorrectly or something.





Dec 04, 2012 at 07:08 PM
AhamB
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p.26 #13 · f/1.2 or faster lenses wide open


timballic wrote:
Hey that's a wonderful soft focus effect, some people would spend a lot to get that!


It is indeed the nicest soft focus effect I've seen.



Dec 04, 2012 at 07:26 PM
cogitech
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p.26 #14 · f/1.2 or faster lenses wide open


AhamB wrote:
It is indeed the nicest soft focus effect I've seen.


dkerins, it looks like you have found a buyer!



Dec 04, 2012 at 07:36 PM
ewadler
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p.26 #15 · f/1.2 or faster lenses wide open


Reminds me of the Zuiko 55mm f1.2 I used to have @f1.2
It really is a very nice effect.
dkerins wrote:
Bananas at f2.8
http://farm9.staticflickr.com/8058/8243919758_3748df04c3_b.jpg



Dec 04, 2012 at 07:47 PM
OpticalFlow
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p.26 #16 · f/1.2 or faster lenses wide open


The little scratches on the rear element almost certainly don't affect the sharpness. They might reduce the contrast and they may be visible in out-of-focus highlights but that's about it.
I would think it is more likely caused by someone disassembling the lens and putting it back together with an element the wrong way round or two elements interchanged. If that's the case you might be able to repair it - with some patience.
I might also add that I have the impression your shot is not focused on any part of the bananas, some of the wood grain of the table top a few cms in front of the bananas appears to be sharper.



Dec 04, 2012 at 08:09 PM
cogitech
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p.26 #17 · f/1.2 or faster lenses wide open


OpticalFlow wrote:
I might also add that I have the impression your shot is not focused on any part of the bananas, some of the wood grain of the table top a few cms in front of the bananas appears to be sharper.


I just noticed this, too. Focus is definitely not "bang on" here.



Dec 04, 2012 at 08:43 PM
sculptormic
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p.26 #18 · f/1.2 or faster lenses wide open


David, it looks like it could be threads of fungus instead of scratches. Have it cleaned by a professional or you could take out the rear lens yourself and try to clean it.

Michiel



Dec 04, 2012 at 08:53 PM
dkerins
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p.26 #19 · f/1.2 or faster lenses wide open


It was hard to focus b/c it is like looking through fog on the NEX-7 EVF. I am also not exactly well seasoned with manual focus.

cogitech: dkerins, it looks like you have found a buyer! (thanks for the laugh, haha).



Dec 04, 2012 at 08:58 PM
dkerins
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p.26 #20 · f/1.2 or faster lenses wide open


Thanks for the assessment OpticalFlow. It didn't occur to me that something other than the scoring on the rear lens would cause the softness. I will have to think about my options.

David.



Dec 05, 2012 at 05:38 AM
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