Reproducing objective lens for videodiscs

Details Reproducing objective lens for videodiscs Reproducing objective lens for videodiscs

1979-01-25

1981-09-01

Corbin, John K.

G02B 960

Patent

active

042868483

ABSTRACT:
A reproducing objective lens for videodiscs comprising five single lenses for which the working distance is large and flatness of field and resolving power are high.

REFERENCES:
patent: 4077704 (1978-03-01), Koizumi et al.

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