On Thu, Oct 03, 2013 at 10:43:11AM -0700, Godfrey DiGiorgi wrote:
> Wrong. Format ALWAYS influences apparent DOF. 

You are saying that if I take a photo with a D800, and in lightroom
crop it down so that I'm only using the area of a u4/3 sensor, then
the apparant DoF will change?


> 
> Your statement is a bunch of pixel peeping hooey promulgated by experts who 
> have never made a photograph. If this were true, all of the BS about wanting 
> full frame sensors to get shallow DoF is wrong .. And the theory is 
> demonstrably, easily observably wrong when the theory is tested by anyone who 
> has a FourThirds, APS-C, and full-frame camera to experiment with. 
> 
> I have all three and have observed that DoF differs format to format with the 
> same lens, exactly in accordance with the traditional calculations of DoF 
> published in "Basic Photography" by Focal Press circa 1958. 
> 
> Godfrey
> 
> 
> > On Oct 3, 2013, at 10:35 AM, Larry Colen <[email protected]> wrote:
> > 
> > Actually, the size of the sensor has nothing to do with the DoF. The size of
> > the pixels or grain, do affect the DoF.  Don't worry, this is a common
> > circle of confusion.
> 
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Larry Colen                  [email protected]         http://red4est.com/lrc


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