Estimating depth of field

Started Feb 21, 2013 | Discussions thread
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Re: Revised: Solved for LX7 DOF Indicator Reference COC Diameter
In reply to Detail Man, Feb 23, 2013

Detail Man wrote:

This does not look right. I think that the camera was probably not manually focused at 75 Inches. Please re-perform test, making sure to manually focus as accurately as possible on the back portion of chair. Provide Distance, Focal Length, F-Number, and shot of the DOF Indicator scale (as before).

Same subject distance 75 inches.  f = 6.9 mm, F/1.6.  Manually focussed (and verified that a pre-AF also brings the DOF slider to the same point as I had done manually).

DOF Indicator

This one has the EXIF data

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