The fabled Pretzel lens?

John Kasaian

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Sep 24, 2002
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So I was doing some photo gear housekeeping this evening and I came across a large brass lens---5-1/4'' long x 4-3/4'' wide and about 12'' focal length marked
McIntosh Stereopticon Co.
Chicago
H-15
Could this be one of them fandangled swirly lens thangs?:confused:
Does anyone here shoot with a "McIntosh?"
 

ChristopherCoy

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I wonder if I clean house, if I'll find a swirly lens?!?
 

lxdude

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Pretzel lens- there's a twist.
 

Barry S

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It's a Bausch & Lomb 15" lantern Petzval lens. Excellent quality, I have an H-8. Yours should be perfect on an 8x10.
 

TimFox

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Jul 21, 2009
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Chicago
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A "stereopticon" is a viewer for stereo pairs of opaque prints.
This was a very popular product at the turn of the previous century, but the viewer itself had very simple optics.
Perhaps your lens was used for taking the images.
 
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