Lens apparatus and image taking apparatus

Details Lens apparatus and image taking apparatus Lens apparatus and image taking apparatus

2006-03-21

2006-03-21

Mack, Ricky (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S696000, C359S704000

Reexamination Certificate

active

07016123

ABSTRACT:
A lens apparatus which enables to reduce size is disclosed. The lens apparatus has a first member which is movable in the optical axis direction and holds a first lens unit; a second member which holds a second lens unit and the first member; a first motor which is mounted to the second member and generates a driving force for driving the first member; a diaphragm unit which is mounted to the second member and performs open and close operations; a second motor which is mounted to the second member and generates a driving force for driving the diaphragm unit; and a guide member which is mounted to the second member and guides the first member in the optical axis direction.

REFERENCES:
patent: 4841327 (1989-06-01), Yamamoto et al.
patent: 5146260 (1992-09-01), Yamamoto
patent: 5455650 (1995-10-01), Fujiwara
patent: 6040677 (2000-03-01), Oono et al.

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