INNER FOCUS OPTICAL SYSTEM

PROBLEM TO BE SOLVED: To provide an inner focus optical system which employs an inner focusing system suitable for an autofocus camera, has a small image height change rate when finely vibrating (wobbling) focus lens groups in a direction along an optical axis, is bright with an F number equivalent...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KOYAMA TAKEHISA
Format: Patent
Sprache:eng ; jpn
Schlagworte:
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