Reproducing objective for video disks

Details Reproducing objective for video disks Reproducing objective for video disks

1979-10-22

1981-03-31

Sacher, Paul A.

350414, G02B 916

Patent

active

042589819

ABSTRACT:
A reproducing objective for video disks comprising a first, second and third lenses in which the first lens is a biconvex lens, the second lens is a negative meniscus lens, and the third lens is a positive meniscus lens, the reproducing objective for video disks being compact in size and light in weight and having a long working distance.

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