Macro lens system

Details Macro lens system Macro lens system

1981-04-06

1983-03-22

Corbin, John K.

G02B 942

Patent

active

043773265

ABSTRACT:
A macro lens system assuring aberrations favorably corrected within a wide magnification range from 1.7.times. to 8.times. comprising a first positive meniscus lens component, a second negative cemented lens component, a third negative cemented meniscus lens component and a fourth positive meniscus lens component.

REFERENCES:
patent: 2627205 (1953-02-01), Tronnier
patent: 3601472 (1971-08-01), Gilkeson et al.
patent: 4232944 (1980-11-01), Imai

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