Objective lens system for endoscopes

Details Objective lens system for endoscopes Objective lens system for endoscopes

1988-05-24

1989-10-31

Arnold, Bruce Y.

350474, G02B 1506, G02B 960, G02B 962

Patent

active

048773140

ABSTRACT:
A compact objective lens system for endoscopes designed for a field angle smaller than 40.degree., having favorable corrected aberrations and comprising a plural number of lens components, the first lens component arranged on the extreme object side out of said plural number of lens components having positive refractive power.

REFERENCES:
patent: 4749264 (1988-06-01), Taniguchi et al.

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