P3D Re: Mirror Lenses

[Bob Wier <wier@xxxxxxxxxxxxxxxxx>]

At 7:09 PM -0700 on 3/13/98, Steve Berezin wrote:


|I don't know if this is relevant but I have a slide viewer made by the David
|White (realist) company which uses a long focal length partial mirror to
|view slides.  It is called a "Realorama".  I found that it is relatively
|ineffective because it is difficult to get enough light to view the slides
|easily.  It is a steal-the-light viewer but it may be more effective if
|artificial light is added. Also the resolution just was not very good due to
|the grainy nature of the light disperser.
|

Hi Larry - if it's the same as mine, there is a MAJOR design flaw as
the entry for the light ends up against your forehead when you attempt
to use the viewer. I can't imagine what they were thinking of-
the optical path should have been folded once more with another
set of mirrors ...     :-)

              Bob Wier
     mailto:wier@xxxxxxxxxxxxxxxxx
   10:36 PM Friday, March 13, 1998
   Rocky Mountain College, Billings MT.
 keeper of the Photo-3d and Overland-Trails
mailing lists and the USA GPS Waypoint server



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