Collection Home > Telescopes > Monocular-Single Draw > Monocular Opera Glass
|Main Tube Length||2.4in||60mm|
|Main Tube Diameter||1.7in||43mm|
|Objective Clear Aperture Diameter||1.4in||35mm|
This monocular has a short round parallel barrel, made of wood and covered with shagreen. The single objective lens is non-achromatic. It has one cardboard draw (without retention), covered in green leather or velum with tooled-on silver-colored floral design. There is a single eye lens, mounted in a flared eyecup made of a black material that is probably ivory painted or colored black. The black rings at both end of the barrel are made of the same material. It is signed "Ayscough London" on the draw, with the eyecup to the right.
College of Optical Sciences
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