Lenses with distortion

Details Lenses with distortion Lenses with distortion

1978-02-01

1979-12-11

Clark, Conrad J.

350214, 350215, G02B 960, G02B 962

Patent

active

041780752

ABSTRACT:
An objective lens particularly for use in a low light level or night vision system designed to introduce a controlled amount of barrel distortion at the edges of its field of view to permit use with a flat input faced imaging tube.

REFERENCES:
patent: 3446547 (1969-05-01), Jeffree
patent: 3517985 (1970-06-01), Ruben
patent: 3868173 (1975-02-01), Miles et al.
Becker, J., "Optical Systems for Use at Low Light Levels," Optica Acta vol. 17, No. 7, pp. 481-496, 1970.

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