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Message: <blockquote data-quote="Gijs van Ginkel" data-source="post: 3266240" data-attributes="member: 82596">The Doctor 8x21 foldable monocular was introduced by Zeiss in 1923 as the Zeiss Turmon. After WW-2 production was continued by Zeiss Jena and when Zeiss Jena was bought by Doctor it was produced as a Doctor monocular. With the original Turmon a special stand could be bought, so the tiny instrument could be used as a low magnification microscope. As far as I know Doctor did not change a whole lot to the original construction of the Zeiss Turmon, modern coatings were applied and the color and outside coat was changed.One can find the original Turmons regularly from collectors and there may be some shown at meetings of the Binocular History Society.Gijs van Ginkel</blockquote>