Re: Stereo Ricohmatic 225 progress

[erker@xxxxxxxxxxxxxx (Greg Erker)]

>According to Master Camera Tech Ken Ruth, this is not a good idea.
>
>He contends that before the 70s, fine optical glasses had to be cooked
>up in relatively small batches (little automation) and there was fairly
>significant variation from batch to batch. Just as the tolerances for
>grinding were far greater than today, the tolerances for refractive
>indices were also far greater, and batch-to-batch matching of lens
>elements was part of the lens-making equation.
>
>I have no direct experience or knowledge about this, merely passing the
>information along...

  Bummer.

  Thanks for the info Eric. If anyone
has addional/contrary info I'd like to
hear it.

Greg