Image capturing apparatus and optical adjustment method

Details Image capturing apparatus and optical adjustment method Image capturing apparatus and optical adjustment method

2011-04-05

2011-04-05

Lester, Evelyn A. (Department: 2873)

Optical: systems and elements

Image stabilization

By movable refractive structure

C359S689000, C359S713000, C359S714000, C359S715000

Reexamination Certificate

active

07920327

ABSTRACT:
An image capturing apparatus includes: at least one or more vertically movable lens groups among at least three or more lens groups, which constitute a zoom lens, movable in an optical axis direction, the vertically movable lens group being movable in a direction substantially perpendicular to the optical axis; a zoom lens group among the three or more lens groups, the zoom lens group being movable in the optical axis direction; and a correction mechanism that corrects a position of the optical axis based on the three or more lens groups by moving the vertically movable lens group in a wide-angle end state to a predetermined position in the substantially perpendicular direction. When the vertically movable lens group is moved for the purpose of anti-vibration at each zoom position in the substantially perpendicular direction, the apparatus is configured to satisfy the following Conditional Expression (1).in-line-formulae description="In-line Formulae" end="lead"?0.7<(Lw+Bw)/Bt<1.3  (1)in-line-formulae description="In-line Formulae" end="tail"?

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