P3D Re: Hyperfocal Table for Kodak

[fj834@xxxxxxxxxxxxxxxxxxxxx (Dr. George A. Themelis)]

Hi Michael and welcome to photo-3d!

Paul's answer and advice is correct.  Use the Realist DOF and 
HF Tables for your Kodak.

In addition, let me add that I have now solved this "mystery":

>In fact, we've established that there is more than one version
>of the Realist hyperfocal table, one being considerably more
>optimistic than the other.  So somewhere along the way the
>meaning of "acceptable focus" changed.

That's indeed what happened.  In earliest realists a circle of
confusion of 1/1000 in. was used.  Later, this was changed with
to 1/750 in.  The larger circle of confusion (1/750 in.) is less
conservative or more optimistic... will show wider DOF.  IMO,
1/750 in. is a fine number and this is what is traditionally
quoted for 35mm film (in metric 0.3 or 0.33 mm).  This change is
mentioned in the "Realist News", a newsletter that David White Co.
produced on and off from 1951 and on.

BTW, I have now finished the Realist book and I am waiting for
the first copies to come out.  I will bring 50 copies in Green
Bay (now, that's optimism!!! :-))  I will also post in sell-3d
details for ordering, or contact me by email.  I will be able to 
ship these by mail when I come back from Green Bay.

Regards to all,

George Themelis
mailto:DrT-3d@xxxxxxxxxxxxxxxx


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