[MF3D.FORUM:599] Re: [as reguards to using 43mm or 80mmlenses

["Don Lopp" <dlopp@xxxxxxxxxxxxxxx>]

I don't remember whether or not you mentioned how close the nearest thing
was in your photos was, but with a 6 inch base for the 43mm should be about
20 feet and about 36 feet for the 80 mm lenses more or less depending on how
the verticles are arranged  Don.
----- Original Message -----
From: "Bill Glickman" <bglick@xxxxxxxx>
To: "Medium Format 3D Photography" <MF3D.Forum@xxxxxxxxxxxxx>
Sent: Friday, May 19, 2000 1:42 PM
Subject: [MF3D.FORUM:510] viewer lenses vs. magnification?


>      I have 78mm viewing lenses in my Saturn viewer.  How does this figure
> relate to magnification?  If normal is about 45mm, then wouldn't this only
> be about 2x magnification?   I seem to remember heraing 3 or 4x though?
>
>       I plan to divide a circle of confusion of .3mm by this magnification
> value to enter into my DOF tables.  I know this is how it works in 2D, I
> would assume this is correct for 3d also, right?
>
> Bill G
>
>