Zoom lens

Details Zoom lens Zoom lens

1981-12-30

1986-02-18

Corbin, John K.

350 9625, 350 9631, 350413, 350423, G02B 514, G02B 516, G02B 1514, G02B 1518

Patent

active

045710325

ABSTRACT:
A zoom lens includes a zoom portion for forming a virtual image of an object lying between infinity to a very short distance always at a predetermined position and for varying the imaging magnification of the virtual image, and a relay portion including an erecting one-to-one magnification compound-eye optical system disposed between the zoom portion and an image pick-up surface for forming the virtual image of the object on the image pick-up surface.

REFERENCES:
patent: 3936149 (1976-02-01), Imai
patent: 4101196 (1978-07-01), Imai
patent: 4281906 (1981-08-01), Tanaka
patent: 4380383 (1983-04-01), Daintrey et al.
patent: 4390248 (1983-06-01), Ikemori

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