Calculation of DOF


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LolliPoP

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Apr 1, 2005
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#1
1.Can somebody explain to me what exactly is CoC based
on the following table?

2. DOF Near/Far??

 

Aug 4, 2005
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#2
CoC is a techincal topic. I, myself, is also quite confused by the circle of confusion. But there are a few articles on the web which you'll easily find if you do a search, mostly very technical (mathematical) though. Here's two very simple explanation :
http://dspace.dial.pipex.com/town/pipexdsl/p/apuo76/digifotoinfo/articles/DOF/DOF how.htm
http://www.answers.com/topic/circle-of-confusion

Another with a more detailed explanation :
http://www.rags-int-inc.com/PhotoTechStuff/DoF/

There's also a chart of CoC for various cams :
http://www.dofmaster.com/digital_coc.html

Near and far focus distances basically means the nearest and the furthest distances where objects will be in focus.
 

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