Abstract: A control apparatus for an optical apparatus that includes a member and an actuator configured to drive the member includes a memory storing instructions, and a processor configured to execute the instructions to switch a control method for the actuator between a first control method and a second control method configured to make a driving sound generated by the actuator in the second control method smaller than a driving sound generated by the actuator in the first control method, according to a setting about sound in a case where the optical apparatus is used.

Abstract: A control apparatus is configured to control, based on a shake amount, driving of a first image stabilizing unit that moves a correction optical system and a second image stabilizing unit that moves an image sensor. The control apparatus acquires first and second information about an image blur residue relative to a moving amount of the correction optical system and the image sensor, respectively, and third and fourth information about a maximum image stabilizable amount of the first and second image stabilizing units, respectively, and a setting unit configured to set a correction ratio between the first image stabilizing unit and the second image stabilizing unit to a first ratio based on the first and second information, and a second ratio based on the third and fourth information, and switches the correction ratio according to the shake amount.

Abstract: A control apparatus is configured to control, based on a shake amount, driving of a first image stabilizing unit that moves a correction optical system and a second image stabilizing unit that moves an image sensor. The control apparatus acquires first and second information about an image blur residue relative to a moving amount of the correction optical system and the image sensor, respectively, and third and fourth information about a maximum image stabilizable amount of the first and second image stabilizing units, respectively, and a setting unit configured to set a correction ratio between the first image stabilizing unit and the second image stabilizing unit to a first ratio based on the first and second information, and a second ratio based on the third and fourth information, and switches the correction ratio according to the shake amount.

Abstract: A control apparatus for an optical apparatus that includes a member and an actuator configured to drive the member includes a memory storing instructions, and a processor configured to execute the instructions to switch a control method for the actuator between a first control method and a second control method configured to make a driving sound generated by the actuator in the second control method smaller than a driving sound generated by the actuator in the first control method, according to a setting about sound in a case where the optical apparatus is used.

Abstract: A control apparatus is configured to control, based on a shake amount, driving of a first image stabilizing unit that moves a correction optical system and a second image stabilizing unit that moves an image sensor. The control apparatus acquires first and second information about an image blur residue relative to a moving amount of the correction optical system and the image sensor, respectively, and third and fourth information about a maximum image stabilizable amount of the first and second image stabilizing units, respectively, and a setting unit configured to set a correction ratio between the first image stabilizing unit and the second image stabilizing unit to a first ratio based on the first and second information, and a second ratio based on the third and fourth information, and switches the correction ratio according to the shake amount.

Abstract: A lens apparatus attachable to and detachable from an image pickup apparatus includes a detector configured to detect an angular shake of the lens apparatus, an image stabilizer configured to provide an image stabilization by driving part of an imaging optical system in the lens apparatus, and a controller configured to calculate a driving amount using a rotation angle based on an output of the detector and information for converting the rotation angle into the driving amount. The controller changes the information based on the image pickup apparatus attached to the lens apparatus.

Abstract: A lens apparatus attachable to and detachable from an image pickup apparatus includes a detector configured to detect an angular shake of the lens apparatus, an image stabilizer configured to provide an image stabilization by driving part of an imaging optical system in the lens apparatus, and a controller configured to calculate a driving amount using a rotation angle based on an output of the detector and information for converting the rotation angle into the driving amount. The controller changes the information based on the image pickup apparatus attached to the lens apparatus.

Abstract: A lens apparatus detachable from a camera that includes a first correction unit movable for an image stabilization in a camera system including the lens apparatus and the camera. The lens apparatus includes a second correction unit movable for the image stabilization, and a setting unit. The camera system moves one correction unit of the first correction unit and the second correction unit and does not move the other correction unit in the image stabilization before imaging for recording starts, and moves the first correction unit and the second correction unit in the image stabilization during the imaging for recording, and the setting unit sets information on a correction ratio between the first correction unit and the second correction unit for each direction of the one correction unit from a position of the one correction unit when the imaging for recording starts.

Abstract: A lens apparatus attachable to a camera that includes a first corrector configured to move configured to move for an image stabilization includes a second corrector configured to move for the image stabilization, and a controller configured to control, based on an imaging condition, the second corrector according to a first drive that moves both the first corrector and the second corrector during imaging, or a second drive that moves only one of the first corrector and the second corrector during the imaging.

Abstract: A lens apparatus attachable to a camera that includes a first corrector configured to move configured to move for an image stabilization includes a second corrector configured to move for the image stabilization, and a controller configured to control, based on an imaging condition, the second corrector according to a first drive that moves both the first corrector and the second corrector during imaging, or a second drive that moves only one of the first corrector and the second corrector during the imaging.

Abstract: A lens apparatus detachable from a camera that includes a first correction unit movable for an image stabilization in a camera system including the lens apparatus and the camera. The lens apparatus includes a second correction unit movable for the image stabilization, and a setting unit. The camera system moves one correction unit of the first correction unit and the second correction unit and does not move the other correction unit in the image stabilization before imaging for recording starts, and moves the first correction unit and the second correction unit in the image stabilization during the imaging for recording, and the setting unit sets information on a correction ratio between the first correction unit and the second correction unit for each direction of the one correction unit from a position of the one correction unit when the imaging for recording starts.

Abstract: In one embodiment, a charged particle beam drawing method includes calculating a resist film reduction amount caused by etching from data representing a relation between a resist area rate and a resist film reduction amount and from an area rate of a pattern to be drawn, calculating a remaining resist-film thickness distribution by employing both an initial thickness of the resist film and the resist film reduction amount, estimating a dimension distribution of the light-shielding film pattern from the remaining resist-film thickness distribution, creating a first dimension correction map by determining a dimension correction amount from the estimated dimension distribution, creating a third dimension correction map by synthesizing a second dimension correction map to correct a relatively macroscopic dimensional variation and the first dimension correction map, and calculating an irradiation dose of the charged particle beam by employing the third dimension correction map.

Abstract: In one embodiment, a charged particle beam writing apparatus includes an estimator calculating an estimated value of a process parameter of a processing device at a scheduled timing at which a substrate as an object of pattern correction is processed in the processing device from a history of the process parameter of the processing device which performs a process after pattern writing, a predictor predicting dimension distribution of a pattern formed on the substrate by the processing device performing the process with the estimated value, a corrector correcting a design dimension based on the predicted dimension distribution, and a writer irradiating the substrate with a charged particle beam and writing the pattern based on the dimension corrected by the corrector.

Abstract: In one embodiment, a charged particle beam drawing method includes calculating a resist film reduction amount caused by etching from data representing a relation between a resist area rate and a resist film reduction amount and from an area rate of a pattern to be drawn, calculating a remaining resist-film thickness distribution by employing both an initial thickness of the resist film and the resist film reduction amount, estimating a dimension distribution of the light-shielding film pattern from the remaining resist-film thickness distribution, creating a first dimension correction map by determining a dimension correction amount from the estimated dimension distribution, creating a third dimension correction map by synthesizing a second dimension correction map to correct a relatively macroscopic dimensional variation and the first dimension correction map, and calculating an irradiation dose of the charged particle beam by employing the third dimension correction map.