Macro Beamsplitter lens

[P3D Bob Aldridge <bob.aldridge@xxxxxx>]

->Date: Mon, 3 Jun 1996 14:04:14 -0400
->Subject: Macro Stereo Beamsplitter lens
-> 
->I have a Macro stereo beamsplitter lens for my pentax, and I am
->having a problem getting proper exposure.
-> 
->The lens fills the frame with an object the size of a fly, and has to
->be used strictly with a flash. My question is how do I figure the
->flash power setting to give me a proper exposure. I do not have any
->information on the lens or the non-adjustable F stop it is set to.
->The lens was handmade in Holland. 
->Anyone have any ideas on how to go about finding the correct flash
->setting? 
->Thanks,
-> 
->Wolfgang Sell

It's my guess that what you have is NOT a beamsplitter. It's a twin lens
Clemetson attachment made by Hugo de Weiss. 

If I'm right then Hugo is the best person to help you - I can probably
find his address if it's not in the products and services list <VBG>.

Stereoscopic Society member David Robinson has one of these lenses, so I
could get details from him if all else fails...

Bob Aldridge
Stereoscopic Society Projectionist
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