Two different models are available, offering 2x and 4x viewing. Note that the field of
view would be limited to an area of roughly 3" square. Either of these two models
would be ideal for students learning the principles and physics of stereo construction
as well as professionals needing quick access to such a viewer, and can be used as
easily in the field as in a laboratory or office. The use of high quality glass
instead of plastic lenses and robust construction ensures top quality images for years
and years.
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