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Wray (Optical Works) Ltd. was a British camera and lens manufacturer based in Ashgrove Road, Bromley, Kent, UK. It operated from 1850 to 1971, making lenses for cameras, photographic enlargers, reconnaissance, mapping, microchip replication, and an anamorphic projection system for cinemas. It also made binoculars.
Ross is the name of a succession of London-based lens designers and their company. Ross Extra Rapid 8x5 lens of about 1880. Andrew Ross (1798–1859) founded his company in 1830; from 1840 he began producing camera lenses signed "A. Ross". During his lifetime, the company was one of the foremost lens manufacturers.
Camera lenses of R and J Beck are known as Beck Ensign, and the Frena camera was developed in the 1890s, using celluloid films. [6]A catalogue of work [7] by R & J Beck from 1900 has been digitised as part of the Internet Archive which features the terms of business and pricing from 1900, simplex microscopes, No. 10 London Microscope, No. 22 London Microscope, No. 29 London Microscope, Beck ...
Most early binoculars used Galilean optics; that is, they used a convex objective and a concave eyepiece lens. The Galilean design has the advantage of presenting an erect image but has a narrow field of view and is not capable of very high magnification.
The Fair featured manufacturers of microscopes for all purposes and auxiliary optical and mechanical accessories. The company offered photometers, telescopes, prism binoculars, photographic lenses of all types, and optical elements in every form. W. Watson & Son exhibited in the Olympia Room, Ground Floor at Stand No. A.1020. [7]
The Fry 8-inch-aperture refracting telescope, manufactured by Thomas Cooke in the 1860s, at the University of London Observatory. In 1837 Cooke leased a shop at 50 Stonegate, York , with his wife running the shop and Cooke's workshop occupying the rear where he made and repaired whatever instruments were needed.
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