Zoom Lens System, Imaging Device and Camera

Zoom Lens System, Imaging Device and Camera

A zoom lens system comprising: a positive first lens unit; a negative second lens unit; a positive third lens unit; and one or more subsequent lens units, wherein in zooming, the first to third lens units are moved along an optical axis to perform magnification change, a lens unit α which is one of...

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1. Verfasser: BITO TAKAKAZU
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator BITO TAKAKAZU
description A zoom lens system comprising: a positive first lens unit; a negative second lens unit; a positive third lens unit; and one or more subsequent lens units, wherein in zooming, the first to third lens units are moved along an optical axis to perform magnification change, a lens unit α which is one of the subsequent lens units does not move during zooming, but moves during transition from an imaging state to an accommodated state, and the conditions: 0.8
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
title Zoom Lens System, Imaging Device and Camera
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