Zoom lens having magnification factors in the range of 6.5x to 1

Details Zoom lens having magnification factors in the range of 6.5x to 1 Zoom lens having magnification factors in the range of 6.5x to 1

1987-04-01

1988-03-29

Corbin, John K.

G02B 1514

Patent

active

047339519

ABSTRACT:
A zoom lens system having magnification factors in the range of 6.5 to 14. The lens system of the invention is particularly useful in micrographic reader/printers.

REFERENCES:
patent: 3354776 (1967-11-01), Smitzer et al.
patent: 3360325 (1967-12-01), Gustafson
patent: 3482901 (1969-12-01), Melech
patent: 3582203 (1971-06-01), Cox
patent: 3724927 (1973-04-01), Cox

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