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In the mid-20th century, Ross continued to produce lenses, as well as binoculars, epidiascopes, etc. They had begun supplying lenses for Ensign cameras in the 1930s. After World War II Ross merged with Barnet Ensign, and the company later became Ross Ensign, lenses were also made for other companies
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left the firm to establish his own optical company and the company was run by Ross's son, Thomas, and became known as Ross & Co. By the 1890s it was also making Zeiss and Goerz lenses under licence for sale in the UK and the
British Empire. Ross patented a wide-angle lens design and Zeiss took
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this further to produce their EWA Protars. Before World War 1, Ross and Zeiss worked quite closely together, but at the outbreak of War the
British Government put Ross in control of the newly opened Carl Zeiss binocular and optical factory in Mill Hill, London.
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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. The year after his death in 1859, his son-in-law
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Ross also made some cameras from about 1855 to the late 1930s. A range of Ross
Standard Reflex cameras is listed with an illustration in the 1935 British Journal Photographic Almanac, the sizes ranged from
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During WWI and WWII Ross
Limited produced pattern 373 and 373B "Officer of the Watch" telescopes for the Royal Navy.
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Ross pattern 373B single-draw Royal Navy
Officer of the Watch telescope engraving
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inches (89 mm × 64 mm) up to half plate.
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Armoured fighting vehicle vision and sighting equipment
173:(CD publication) "Version 7/5/2001" (7 May 2001).
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206:Photography companies of the United Kingdom
177:British Journal Photographic Almanac 1935
169:Wilkinson, Matthew, and Colin Glanfield.
26:-based lens designers and their company.
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118:in 1975; Avimo was later taken over by
33:Ross Extra Rapid 8x5 lens of about 1880
46:A 1902 Ross advertisement includes:
158:Close-up of the Ross wide-angle lens.
134:A Ross wide-angle lens mounted in an
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211:Photography in the United Kingdom
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53:Zeiss New Planar and Unar lenses
179:, Henry Greenwood & Co 1935
22:is the name of a succession of
171:A lens collector's vade mecum.
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56:Zeiss Convertible Anastigmats
50:Ross Symmetrical Anastigmats
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136:aerial surveillance camera
140:Swedish Air Force Museum
59:Goerz Double Anastigmats
114:Ross was taken over by
16:British optical company
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40:John Henry Dallmeyer
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195:Categories
187:Ross logo
144:Linköping
107:such as
164:Sources
122:Optics.
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120:Thales
24:London
116:Avimo
20:Ross
109:MPP
78:by
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