Autofocusing system for a camera

Details Autofocusing system for a camera Autofocusing system for a camera

1992-07-24

1994-04-19

Gray, David M.

35419512, G03B 1300

Patent

active

053050444

ABSTRACT:
An autofocusing system in the nacro zone of a photographic lens is arranged so that the photographic lens having a zooming zone and a macro zone is provided with a first lens group driven by a first drive means and a second lens group driven by a second drive means, wherein the first lens group is driven for focusing in the zooming and macro zones, whereas the second lens group is driven for zooming in the zooming zone, the second lens group being driven for focusing in the macro zone before the first lens group is thus driven.

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English Abstract of Japanese Patent No. 61-26015.
English Abstract to Japanese Patent No. 61-230111.

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