Longer focal length lenses do NOT increase DoF for a given subject size

Finally, Jay Holben gets it right. Focal length does NOT increase depth of field when maintaining same subject size. I will be covering DoF in more “depth” in one of my upcoming advanced classes.  Read more by following the link…

http://www.nxtbook.com/nxtbooks/newbay/dv_201201/index.php#/72

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