[photo-3d] Rittai & Super Duplex for closeups

[Ralph Johnston/Linda Sherman <copley@xxxxxxxxxxxxxxx>]

I just ran my first rolls of slide film through the Rittai and the ISO
Super Duplex.  The results are great!

The Rittai is a 4-lens point-n-shoot camera with auto-wind/rewind.  I
bought it on e-Bay brand new sealed up.  This camera was made in Hong Kong
and not sold in the USA as far as I know.  It has a flash and a nice bright
frame finder with built in level pendulum.  It has one speed and two stops,
f/4.5 and maybe f/8.  I don't think anyone will process it into lenticular
prints.  Lenses are 25mm f/4.5.

It advances 16perf with each shot instead of 17perf as in the
Nimslo/Nishica.  This allows prints to be made by any 1-hour place and
mounted for viewing with a Loreo viewer.  But back to slides -you can
choose any pair and get a 4,8 or 12 perf stereo base.  (For reference the
Fed Stereo is 14 perf and the Realist is 15 perf)  This puts the window at
0.4, 0.8 & 1.2meters.

The ISO places realist sized images at a 30mm base (6.3 perf equiv).  The
window is at 0.9 meters.

I took the same scene with the Rittai, ISO, and Fed and couldn't tell any
difference in sharpness with a viewer or projector.  I will try again using
a microscope.  I will be showing these slides at the Stereo New England
meeting this coming Sunday.

The Rittai slides are mounted using RBT 1/2 frame mounts or Spicer 1/2
frames with an RBT as a jig.  The ISO slides were mounted with a lot of
difficulty because I don't have the cutter yet but I eventually got them
right.  I used silver tape on an RBT mount w/o the sliders but Spicer
mounts are coming from RMM.

Regards -Ralph
*****************************************************************
*   Linda Sherman/Ralph Johnston
*   WEB PAGES http://www.ultranet.com/~copley/
*      1) Photo Historical Society of New England
*      2) Stereo New England
*      3) Auburndale Community Association
*   617-527-7562, 617-969-2760fx
*****************************************************************

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