Wide angle lens system

Details Wide angle lens system Wide angle lens system

1975-04-29

1976-02-17

Corbin, John K.

350176, G02B 964, G02B 1304

Patent

active

039388832

ABSTRACT:
There is disclosed a retrofocus type wide angle lens system having a back focus about 1.6 times as large as the focal length of the lens.

REFERENCES:
patent: 3635546 (1972-01-01), Mori
patent: 3832037 (1974-08-01), Nakagawa
patent: 3870400 (1975-03-01), Yamashita et al.

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