[MF3D.FORUM:1175] Re: First roll run through the mystery Whutnikstereo

["Bill Glickman" <bglick@xxxxxxxx>]

> >One subjective note: This .66% mismatch between lenses is very good in
> >my opinion.  It does not affect the stereo image at all.  I had a
> >mismatch greater than this on my first Yashica camera project that was
> >used for my entries in the ex-Joel folio circuit. Did anyone notice a
> >problem with those images?

>   I found 0.35% mismatch to be visible when mounted
> if there is detail at the top and bottom of the window.
> If you line up the bottom details then the tops are
> cut off slightly differently. So I shimmed my one lens
> out to reduce the size difference to 0.15% or so.
>
>   I'll agree that on an image with blue sky at the top
> you wouldn't have a problem mounting or viewing .66
> or even 1% different sized images.

       I assume we are talking about mismatched pairs of taking lenses here.
How does one determine if two lenses are mismatched by .35%.  Was this an
optical bench test?  I assume that .35% x 80 mm is a .28mm off.  So if you
shot a grid, would the lines on the chrome mismatch by .28mm?

Bill G