Lens-adjustable flash camera

Details Lens-adjustable flash camera Lens-adjustable flash camera

1977-08-17

1979-10-23

Gellner, Michael L.

354199, 354221, 354289, G03B 300, G03B 1312, G03B 1503

Patent

active

041718879

ABSTRACT:
A camera is provided with a flash device and a selectively engagable lens adjusting arrangement such as a telescopic conversion lens. A view finder angle adjusting mechanism such as a periphery masking frame is provided and is connected through a linkage to the lens adjusting arrangement, so that a view finder angle corresponding to the angle of the lens being used is provided. The camera includes a beam angle adjusting means such as a Fresnel lens associated with the flash device, so that the beam angle of light from the flash device can be adjusted to correspond to the angle of the lens being used.

REFERENCES:
patent: 3212422 (1965-10-01), Merwin et al.
patent: 3488486 (1970-01-01), Bretthauer
patent: 3836934 (1974-09-01), Suzuki et al.
patent: 3882514 (1975-05-01), Graham

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