Lens
notes: label: Description
content: Paul Rudolph (1858-1935), a German physicist, designed the first anastigmatic lens for the Carl Zeiss Optical Co. in 1890. This example reflects Rudolph’s American patent of 1895. An etched inscription on the cylindrical metal housing reads "40 In. E. F. Zeiss-Convertible Anastigmat / Pat. Jany. 8, 1895 / Bausch & Lomb Optical Co. / Rochester, N.Y. / 479888 / 47889."
label: Description
content: Ref: Paul Rudolph, “Photographic Objective,” U.S. Patent 532,398 (Jan. 8, 1895), assigned to Carl Zeiss.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN79557912
objectType: label: Object Name
content: lens
physicalDescription: label: Measurements
content: overall: 12 1/2 in x 6 3/4 in x 6 1/4 in; 31.75 cm x 17.145 cm x 15.875 cm