Optical system and imaging device

Optical: systems and elements – Lens – With reflecting element

Reexamination Certificate

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C348S347000

Reexamination Certificate

active

07019919

ABSTRACT:
An optical apparatus has a look-up table provided with control information for controlling an optimum variable optical-property optical element in accordance with a distance to an object, a zoom state, or a combination of the distance to the object with the zoom state. A drive of the variable optical-property optical element is controlled on the control information obtained from the look-up table or a predetermined calculation process is executed on the control information obtained from the look-up table, and information obtained from the calculation process is used to control the drive of the variable optical-property optical element.

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