Compact wide angle lens

Details Compact wide angle lens Compact wide angle lens

1979-11-26

1981-12-01

Corbin, John K.

G02B 962

Patent

active

043033156

ABSTRACT:
A very compact lens of the retrofocus type, capable of covering a field angle of up to 63.degree., comprising six elements including a singlet front group of strong negative power, and having extremely good aberrational correction.

REFERENCES:
patent: 3963325 (1976-06-01), Takahashi
patent: 4182549 (1980-01-01), Kreitzer

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