Add DOF measurement to viewfinder?

Started by Mannetti21, February 21, 2015, 03:46:16 AM

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Mannetti21

Would it be possible to add the estimated DOF value into the viewfinder for a given focal length, aperture, and subject distance? This is assuming the lens is able to determine the estimated subject distance. I know that I've seen distances in some of my EXIF data, but I don't know if all lenses record this info. I think the feature would be most useful in assuring adequate DOF when using lenses with large apertures such as the 85 f/1.2, 50 f/1.2, 135 f/2, etc.
| 5DIII | 16-35 f/4L IS | Tamron 24-70VC | Sigma 35A | 85 f/1.8 | 70-200L II | AB400's | 430EX II | YN-622c |