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Patent Searching and Data


Title:
ZOOM LENS AND OPTICAL DEVICE WITH THE SAME
Document Type and Number:
WIPO Patent Application WO/2008/105249
Kind Code:
A1
Abstract:
An anti-vibration telescope having an increased range of variation of magnification achieved without increasing the size of the telescope. The anti-vibration telescope includes an objective lens (10) having a spatially fixed first lens group (11) and movable anti-vibration second lens group, an eyepiece lens mounting section (33) on which objective lenses (30, 35) for observing an image of an object formed by the objective lens are interchangeably mounted, an anti-vibration lens drive section (50) for moving the second lens group (12) of the objective lens (10), an eyepiece lens detection section (40) for detecting focal length information on the eyepiece lens mounted on the eyepiece lens mounting section (33), and a control section (80) for controlling the anti-vibration lens drive section (50) based on the result of the detection by the eyepiece lens detection section.

Inventors:
SATO, Susumu (C/O NIKON CORPORATION, 2-3 Marunouchi 3-chome, Chiyoda-k, Tokyo 31, 1008331, JP)
Application Number:
JP2008/052588
Publication Date:
September 04, 2008
Filing Date:
February 08, 2008
Export Citation:
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Assignee:
NIKON CORPORATION (2-3 Marunouchi 3-chome, Chiyoda-ku Tokyo, 31, 1008331, JP)
株式会社ニコン (〒31 東京都千代田区丸の内3丁目2番3号 Tokyo, 1008331, JP)
International Classes:
G02B15/16; G02B13/18; G03B5/00; G02B15/20
Attorney, Agent or Firm:
INOUE, Yoshio (3F Garoh Bldg, 1-4 Nihonbashi 3-chome, Chuo-k, Tokyo 27, 1030027, JP)
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