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Title:
IMAGING OPTICAL SYSTEM AND IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/024214
Kind Code:
A1
Abstract:
Provided are an imaging optical system and an imaging device which can exhibit a stable optical performance for a long period of time. Transmission of ultraviolet rays and a color change of a resin material are suppressed by arranging a UV-cutting coat on a resin lens having a d-line refraction index Nd not smaller than 1.6 or on an optical element at the object side as compared to the resin lens or by forming the lens or the optical element by using a UV-cutting glass material.  Thus, it is possible to realize an imaging optical system which can exhibit a stable optical performance for a long period of time.

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Inventors:
MATSUSAKA Keiji (Inc. 2970, Ishikawa-machi, Hachioji-sh, Tokyo 05, 〒1928505, JP)
松坂 慶二 (〒05 東京都八王子市石川町2970番地コニカミノルタオプト株式会社内 Tokyo, 〒1928505, JP)
JIN Makoto (Inc. 2970, Ishikawa-machi, Hachioji-sh, Tokyo 05, 〒1928505, JP)
神 誠 (〒05 東京都八王子市石川町2970番地コニカミノルタオプト株式会社内 Tokyo, 〒1928505, JP)
TERAMOTO Miyuki (Inc. 2970, Ishikawa-machi, Hachioji-sh, Tokyo 05, 〒1928505, JP)
寺本 みゆき (〒05 東京都八王子市石川町2970番地コニカミノルタオプト株式会社内 Tokyo, 〒1928505, JP)
Application Number:
JP2009/064713
Publication Date:
March 04, 2010
Filing Date:
August 24, 2009
Export Citation:
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Assignee:
Konica Minolta Opto, Inc. (2970, Ishikawa-machi Hachioji-sh, Tokyo 05, 〒1928505, JP)
コニカミノルタオプト株式会社 (〒05 東京都八王子市石川町2970番地 Tokyo, 〒1928505, JP)
MATSUSAKA Keiji (Inc. 2970, Ishikawa-machi, Hachioji-sh, Tokyo 05, 〒1928505, JP)
松坂 慶二 (〒05 東京都八王子市石川町2970番地コニカミノルタオプト株式会社内 Tokyo, 〒1928505, JP)
JIN Makoto (Inc. 2970, Ishikawa-machi, Hachioji-sh, Tokyo 05, 〒1928505, JP)
神 誠 (〒05 東京都八王子市石川町2970番地コニカミノルタオプト株式会社内 Tokyo, 〒1928505, JP)
TERAMOTO Miyuki (Inc. 2970, Ishikawa-machi, Hachioji-sh, Tokyo 05, 〒1928505, JP)
International Classes:
G02B13/04; G02B5/22; G02B5/26; G02B5/28
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