Lens for macro-photography

Details Lens for macro-photography Lens for macro-photography

1985-05-30

1988-01-19

Punter, William H.

350252, G02B 702, G02B 704

Patent

active

047201690

ABSTRACT:
A lens is provided with first and second coupling means which are arranged at both ends of the lens barrel of the lens in the direction of the optical axis thereof so that the lens can be turned round and mounted in a reversed posture on a camera to permit macro-photography.

REFERENCES:
patent: 2381228 (1945-08-01), Schmidt
patent: 2800052 (1957-07-01), Bechtold et al.
patent: 2853925 (1958-09-01), Lee
patent: 3544199 (1970-12-01), Prochnow
patent: 4003068 (1977-01-01), Hashimoto
patent: 4175831 (1979-11-01), Ito

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