This rare example of an Islolan Stereomat viewer was
manufactured in Germany in the mid 1950's. Unlike any other viewer it
has three lenses, the middle one is to magnify the name of picture
currently being viewed. The viewer itself is made from plastic, as are
the slides. When new the viewer cost 5 Deutschmark and the slides
90 Pfennig each. Each slide had six stereo pairs.
These viewers sell for extremely
high prices on the rare occasions they become available. One (with 10
slides) sold in November 2006 for over £280.
In this picture you can see the effect of the centre
lens magnifying the name of the current stereo pair.
The shot below is of the viewers only markings, located
on the top of the slide slot.
The slides are plastic and each photograph measures
11mmx10mm. The slides enter the viewer from underneath and are moved
through by turning the knob on the right of the viewer in a clockwise