[photo-3d] 2x2x2 projection

[JNorman805@xxxxxxx]

A day or so ago, I asked for advice on what size "spacer" to use between two 
full-frame 35 mm slides for projection via the rear channel of a TDC 116 
slide transporter.  Thanks to those who responded.  Now, after some 
experimentation, for those who may be interested, here's what I found:

For vertically-oriented slides (sorry, all you horizontal lay-down types), 
any spacer less than 5/8-inch results in fairly serious vignetting of the 
upper left and lower left corners of both images.  So, 5/8-inch is what I'm 
using.  I haven't tested this spacer with horizontally oriented 2x2x2 slides, 
but with the plethora of available horizontal format slide mounts, who'd want 
to use 2x2x2 horizontally anyway?

Jim Norman, an upright, vertical kind o' guy.


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