P3D Re: Why different?

[George Themelis <gthemelis@xxxxxxxxx>]

John Goodman replies to the question of "why different
stereo cameras of the same format?"

> For the luxury of having different emulsions loaded
> and ready to hand, pehaps. Kodachrome, E-6 films, 
> color neg., black & white....

The question was why "different"?  For example, why
a Realist, a Kodak, a Revere, a Wollensak, TDC Vivid,
TDC Colorist I, TDC Colorist II, and not 8 Realists?

(BoBH pointed to me that the TDC Vivid has smaller
spacing than the other Realist format cameras.  I 
agree, but the difference is small.  Same for the
Realist 7p and Belplasca).

As for me, I currently have and use the following 
stereo cameras:

- Realist 7p
- RBT S1
- RBT X4
- ISO Super Duplex

All of them quite different in format and fucntionality.

George Themelis


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