ZOOM LENS AND IMAGE PICKUP APPARATUS USING THE SAME

A zoom lens includes a front unit having a negative refractive power and a rear unit having a positive refractive power, which includes an aperture stop, and the front unit includes a first lens having a negative refractive power, and the first lens has a meniscus shape of which a convex surface is...

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Bibliographic Details
Main Authors MOROOKA Masaru, NAGASAWA Kenichi, FUJIKURA Takashi, KAWAMURA Kazuteru
Format Patent
LanguageEnglish
Published 09.03.2017
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:A zoom lens includes a front unit having a negative refractive power and a rear unit having a positive refractive power, which includes an aperture stop, and the front unit includes a first lens having a negative refractive power, and the first lens has a meniscus shape of which a convex surface is directed toward the object side, and the rear unit includes a first lens unit A and a second lens unit B, and at the time of zooming from a wide angle end to a telephoto end, a distance between the front unit and the rear unit changes.
Bibliography:Application Number: US201615355951