LENS DEVICE, IMAGING APPARATUS, AND OPTICAL DEVICE
To provide a lens device which is advantageous to reduce the influence of the change of a light quantity caused by the change of the state of a variable power optical system, for example.SOLUTION: A lens device 10 which is a lens device including a variable power optical system 107, a detection part...
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Sprache: | eng ; jpn |
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Zusammenfassung: | To provide a lens device which is advantageous to reduce the influence of the change of a light quantity caused by the change of the state of a variable power optical system, for example.SOLUTION: A lens device 10 which is a lens device including a variable power optical system 107, a detection part 108 for detecting the state of the variable power optical system, an aperture diaphragm 104, a drive part 103 for changing the opening amount of the aperture diaphragm, and a control part 102 for controlling the drive part includes a control part for controlling the drive part on the basis of the state, to correct the opening amount and for outputting correction information for correcting the change of the light quantity based on the change of the state and the correction to an external device.SELECTED DRAWING: Figure 1
【課題】例えば、変倍光学系の状態の変化による光量の変化の影響を低減するのに有利なレンズ装置を提供することを目的とする。【解決手段】レンズ装置10は、変倍光学系107と、前記変倍光学系の状態を検出する検出部108と、開口絞り104と、前記開口絞りの開口量を変更する駆動部103と、前記駆動部を制御する制御部102とを有するレンズ装置であって、前記状態に基づいて前記駆動部を制御して前記開口量の補正を行い、前記状態の変化と前記補正とに基づく光量の変化を補正するための補正情報を外部装置に出力する制御部と、を有することを特徴とする。【選択図】図1 |
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