Reproducing objective for video disks

Details Reproducing objective for video disks Reproducing objective for video disks

1976-09-20

1978-03-07

Clark, Conrad J.

350175ML, G02B 960

Patent

active

040777049

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

REFERENCES:
patent: 3744881 (1973-07-01), Taira
patent: 3925910 (1975-12-01), Matsubara

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