Estimating depth of field

Started Feb 21, 2013 | Discussions thread
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pannayar Regular Member • Posts: 213
Re: Magnified review is likely the best

Detail Man wrote:

The problem with these panasonic "DOF" indicators is what the heck is the viewing-size and viewing-distance that the COC diameter used relates to ? It's anybody's guess. Does the reading change if the magnification-factor changes ? I would be surprised if that was the case. Tell me I am wrong

That is precisely what I was wondering just a while ago.  What are the values/assumptions built into CoC "c" in the in-camera DOF calculators?

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