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T3D Format Size and DOF

  • From: Eric Goldstein <egoldste@xxxxxx>
  • Subject: T3D Format Size and DOF
  • Date: Fri, 09 Oct 1998 09:57:25 -0400
> But the 35mm advantage disappears if you
> englarge to EQUAL image Magnifaction..e.g. the same f/stop has
> same depth of field at equal magnification... 


Not to beat the dead horse but I mispoke myself similarly last week on
the MF Stereo list, then went back and looked at the math. The killer is
the change in lens FL; you are loosing two stops (4x) of DOF for every
2x increase in magnification.


Eric G.


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