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Title: Velos anastigmat lens in Ensign Sector shutter, c 1920 [Go to resource]
Description: Velos anastigmat lens F.6.3 135mm mounted in an Ensign Sector shutter No.1, speeds 1 sec - 1/100 sec B. & T.c 1920. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: shutter
lensTemporal: 1915-1925 Source: Science Museum Creator: Houghton-Butcher Manufacturing Co. Ltd. Identifier: 1979-559/1075 Go to resource More Like this...
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