Automatic focusing zoom lens mounting

Details Automatic focusing zoom lens mounting Automatic focusing zoom lens mounting

1981-12-04

1985-01-01

Henry, Jon W.

354400, G02B 710, G02B 711, G03B 310

Patent

active

044913966

ABSTRACT:
This invention concerns with the technique of controlling axial movement of a focusing member in the objective lens system based on the signal representing the object distance from the automatic distance measuring means. More particularly, as the provision for manual and automatic focusing modes is made, it relates to a technique of building a mode selection mechanism into the mechanical mounting for the zoom lens.

REFERENCES:
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patent: 4110769 (1978-08-01), Schutz et al.
patent: 4160596 (1979-07-01), Reynard
patent: 4191460 (1980-03-01), Fujika
patent: 4272174 (1981-06-01), Terramoto et al.
patent: 4275954 (1981-06-01), Dobashi
patent: 4283131 (1981-08-01), Ohnuki et al.
patent: 4294526 (1981-10-01), Nakagawa
patent: 4309077 (1982-01-01), Tomori
patent: 4349258 (1982-09-01), Kitai et al.
patent: 4353634 (1982-10-01), Himmelsbach
patent: 4364648 (1982-12-01), Kitai et al.

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