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Thread started 27 Oct 2011 (Thursday) 10:14
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f/1.4~4.0 Only one eye in focus

 
emsjeep
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Oct 27, 2011 10:14 |  #1
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So I'm finding f/1.4 very nice except for the fact that I consistently get one eye in super crisp sharp focus and one noticeably less so. I've found that I have to go pretty high to eliminate this effect. Personally, it doesn't necessarily bother me. I've achieved some nice shots just focusing on the leading eye and letting the far one drop out just a bit. Last weekend I was shooting my victim and hit the far eye and the leading eye went fuzzy. Besides looking strange to me, it was a decent pic, and as far as I'm concerned, a keeper of sorts....but, what do the technical sticklers say? Is this acceptable or do I need to start shooting people straight on only at wide open?




  
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checkgio
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Oct 27, 2011 11:30 |  #2

I would say if you back away from your subject about 2-3 feet you should be able to get both eyes in focus.


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led ­ hed
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Oct 27, 2011 11:34 |  #3

f1.4 will produce a very thin DOF. try f5.6 or so and get the whole face in focus, if that is what you are after.


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led ­ hed
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Oct 27, 2011 11:35 |  #4

put your values into this DOF calculator to see what comes up:

http://www.dofmaster.c​om/dofjs.html (external link)


Rob - "a photographer is a painter, in a hurry!"
Canon 7D ~ Canon EF 70-200mm f/2.8L IS MKII ~ Canon EF-S 17-55mm f/2.8 IS ~ Canon EF 50mm f/1.8 II ~ Canon 430EX ~ Canon EF 2.0X III Telephoto Extender ~ Canon SX230 HS

  
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emsjeep
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Oct 27, 2011 12:46 |  #5
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led hed wrote in post #13315266 (external link)
put your values into this DOF calculator to see what comes up:

http://www.dofmaster.c​om/dofjs.html (external link)


Talking about headshots (less than 24 inches) with 35L f/1.4 on a 5D2. DOF is less than 1 inch.

It doesn't necessarily bother me, I'm just wondering if it is a huge technical failure that other photogs are going to criticize me for or if I can do it if I like it...:cool:




  
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Markd102
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Oct 27, 2011 18:01 |  #6

In the end there is only one opinion that matters, the client's.




  
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RDKirk
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Oct 31, 2011 09:10 |  #7

emsjeep wrote in post #13315582 (external link)
Talking about headshots (less than 24 inches) with 35L f/1.4 on a 5D2. DOF is less than 1 inch.

It doesn't necessarily bother me, I'm just wondering if it is a huge technical failure that other photogs are going to criticize me for or if I can do it if I like it...:cool:

Depends on the purposes of the photograph--on who you have to please. It frequently works for editorial portraits when the client is an editor, but less frequently for personal portraits.


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f/1.4~4.0 Only one eye in focus
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