The Gaumont Stéréodrome is a well designed and robust stereoscope for 6x13cm glass stereoviews, manufactured by the Societé des Etablissements Gaumont from Paris.
The Vérascope was the first stereo camera that supported the new 45x107mm glass plate negative format that was introduced by Jules Richard in 1893. It revived stereo photography and the name Vérascope became also the trademark for stereoscopes and other accessories that supported the 45x107mm format.
The Ernemann Magazin is multi-view stereoscope with storage cabinet for viewing 45x107mm glass stereoviews. This acquisition is extra special for me because it contains the nameplate of a Dutch photography store.
A Métascope multi-view table stereoscope for viewing 45x107mm glass stereoviews by Unis France, one of the trademarks of Mattey from Paris.
Today, Zeiss lenses are known for their high optical quality. The company has a long history and at the beginning of the 20th century it also produced stereoscopes. I recently added a rare Carl Zeiss Jena stereoscope to my collection
Two Zeiss Ikon hand-held stereoscopes for the 45x107 and 6x13 formats. The magnifying lenses of these stereo viewers offer a wonderful viewing experience. These are the workhorses I use to view my stereoview collection.
The Ernemann Universal Stereoscope is a versatile folding stereo viewer for glass and paper stereoviews that supports different formats.