Re: 7 vs 5 perf in projection

[P3D Dr. George A. Themelis <DrT-3d@xxxxxxxxxxxxxxxxxxxxxxxxxxx>]

>>I noticed that the 7p slides were usually rated higher than 5p
                                    ^^^^^^^
Derek, our tireless projectionist, Gee writes:

>George, I'm afraid I must disagree that 7-perf slides are rated higher
>in judging than the 5-perfs. 

Point well taken Derek.  I was talking about probablities here
based on my own observations and statistics.  The difference, if any,
is rather small and can be very easily compensated by better stereo
photography.  Bigger is not necessarily better, I agree!

But have you noticed that people go to great lengths and expense
for a small improvement when their original $150 for a stereo camera
was a huge leap to previously unknown stereo photography?

George


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