Re: [photo-3d] Front surface mirrors

["John A. Rupkalvis" <stereoscope@xxxxxxxxxxxxx>]

----- Original Message -----
From: "david h quackenbush" <dhq@xxxxxxxx>
To: <photo-3d@xxxxxxxxxxx>
Sent: Friday, December 22, 2000 3:42 PM
Subject: [photo-3d] Front surface mirrors


> Hi,
>  Anybody playing with beamsplitters?
> Trapeziod  8 1/4 x 5 1/4 x 3 1/2 (1/8 thick) $3.95
> >From Marlin P. Jones - www.mpja.com -
> 800-652-6733
>
> Regards,  David Quackenbush
>
> Yes, I use beamsplitters, and this sounds like an unbelievably low price
(most of the beamsplitters I have gotten have been several hundred dollars).
Are these AR coated?  What is the reflection to transmission ratio (equal
reflection to equal transmisssion is required for most stereoscopic
applications so that both cameras get the same amount of light).

JR

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