Bingo.  An old extension tube and lens mount from a busted camera grafted to
the other end.

Evan

"Michael Yehle"
> Just a little confused...  Am I picturing this right - you couple the
> mounting flanges together, leaving the 2 front elements as front and back?
> Is the focal length summed?  One apperture used or both?
>
> <scratching head>
>
> Mike Y


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