Canon Kabushiki Kaisha

Nec Corporation

Mitsubishi Electric Corporation

Konica Corporation

National Institute for Materials Science

Ono & Co., Ltd.

Nozomu Matsumoto

Seiko Npc Kabushiki Kaisha

Matsumoto, Nozomu

Toru Matsumoto

Kunihiko Sasaki

Masahisa Tamura

Katsuhiro Inoue

Toshinori Yamazaki

Shigehiro Torii

Kazuaki Yamana

Masayasu Shigematsu

Masuo Yamazaki

Katsutoshi Wakamiya

Toshiaki Nakahara

Ichiro Ohsaki

Hisayuki Ushiyama

Toshimune Nagano

Tamaki Negishi

Tsuyoshi Watanabe

Go Naito

Yu Narita

Tsukasa Kuge

Ryuichiro Yasuda

Yuichiro Kato

Masayasu Mizushima

Akino Moriyoshi

Kosuke Kiyamura

Hidetaka Fujiwara

Yasuyuki Tamura

Yasuhide Goseki

Narushi Ito

Takami Hirasawa

Junichi Kurimoto

Toshiyuki Koshio

Hiroshi Kohashi

Masanori Takenouchi

Masakazu Fukuchi

Koichi Washisu

Satoru Inoue

Shizuo Morita

Hitoshi Nishitani

Shunji Matsuo

Minoru Asogawa

Yasuyoshi Matsumoto

Masato Katayose

Haruhisa Ueda

Mitsuhiro Saito

Hisayuki Ochi

Toru Murakami

Takeo Mori

Seishiro Takano

Haruki Ota

Yukio Nishimoto

Tomohiro Ino

Noboru Hatakeyama

Akinobu Nakamura

Kazushi Hayakawa

Hidenori Ono

Ikuo Soma

Shinya Nakamoto

Akio Ohashi

Naoaki Sata

Masayuki Kamegamori

Hideyuki Sato

Hisayuki Sugiyama

Naoki Nomura

Hiroki Osaka

Kenta Koiwai

Yuki Matsuba

Hirotaka Shindo

Tamotu Magome

Yoko Mitarai

Masako Furusawa

Tomomi Mogami

Jun Kikuchi

Kaoru Kanehachi

Yoshiki Saji

Akiyoshi Fujitani

A control apparatus is provided for a camera system that includes an image pickup apparatus including an image sensor and a lens apparatus including an optical system that includes at least one optical member for changing at least one of a tilt effect of tilting a focal plane relative to an imaging plane of the image sensor and a shift effect of moving an imaging range. The control apparatus includes at least one memory that stores a set of instructions, and at least one processor that executes the set of instructions to acquire information on an optical state of the optical system, and correct defocus caused by movement of the at least one optical member using the information on the optical state of the optical system.

Control apparatus that provides in-focus state with a tilt or shift effect, lens apparatus, image pickup apparatus, camera system, control method, and storage medium

A control apparatus includes a memory storing instructions, and a processor configured to execute the instructions to acquire first information on a position of a first optical member configured to obtain a tilt effect of tilting a focal plane relative to an imaging surface of an image sensor, and second information on an aperture diameter in a diaphragm unit configured to adjust a light amount, and control a second optical member configured to change an incident ray angle on the image sensor, by changing a control mode of the second optical member according to the first information and the second information.

Control apparatus, image pickup apparatus, lens apparatus, control method, and storage medium

The present invention provides an evaluation method for more precisely determining the blur correction capability of an image capturing apparatus. The method for evaluating the blur correction effect of the image capturing apparatus comprises acquiring a first change amount for each image capture from a predetermined captured number of subject images that have been captured by an image capturing apparatus that has been vibrated; dividing the predetermined number of captured images into a plurality of segments, and calculating a second change amount for each segment by performing statistical processing on the first change amounts in each of the plurality of segments; determining the largest second change amount from among the second change amounts in each segment to serve as a third change amount; and performing evaluation of the blur correction effect based on the third change amount.

Evaluation method, evaluating apparatus, and storage medium

A driving apparatus includes a shift barrel, a first guide unit including a first rolling member, a second guide unit including a second rolling member, a first movable member movable in a first direction orthogonal to the optical axis direction movable in a second direction orthogonal to the optical axis direction and the first direction, a first driving unit configured to drive the first movable member in the first direction, a third guide unit including a third rolling member, a second movable member guided by the third guide unit so as to move in the second direction relative to the base and biased against the shift barrel via a fourth rolling member, a second driving unit configured to drive the second movable member in the second direction, and a biasing member biased in the optical axis direction. The first and third guide units include different members.

Driving apparatus and lens apparatus having the same

An evaluating apparatus is configured to evaluate image stabilizing performance of an imaging unit around an optical axis. The evaluating apparatus includes an object disposed to face the imaging unit, the object having a first feature point at a position different from the optical axis of the imaging unit, an excitation unit configured to excite the imaging unit, and an evaluating unit configured to evaluate an image of the object captured by the imaging unit that is being excited by the excitation unit.

Evaluating apparatus, evaluating method, manufacturing method of imaging unit, and storage medium

An image evaluation apparatus comprises an image capturing device configured to include a blur correction function, a vibration control unit configured to vibrate the image capturing device based on an input waveform, a vibration detection unit that detects the vibration of the image capturing unit, a memory storing instructions, and a processor executing the instructions causing the image evaluation apparatus to compare the input waveform with the waveform of the vibration detection result that was detected by the vibration detection unit, and perform a captured image evaluation that is an evaluation of the blur correction function based on a captured image result of a subject by the image capturing device, wherein the processor performs captured image evaluation in a case in which it has been determined that the difference of the waveform of the vibration detection result with respect to the input waveform is within a predetermined range.

Evaluation apparatus, evaluation method, and storage medium

An image pickup apparatus comprises at least one of a sixth lens unit and an eighth lens unit being movable in a direction orthogonal to an optical axis, a first shift driver or a second shift driver driving the sixth or eighth lens unit, a first shift position detector or a second shift position detector detecting a position of the sixth or eighth lens unit, a photographing condition controller controlling imaging conditions, a detector detecting at least one of a moving speed and a moving direction of an object, and a shift controller controlling the sixth or eighth lens unit based on a signal from the detector. The photographing condition control unit has a following shot mode in which an exposure and a driving of the sixth or eighth lens unit are intermittently performed with respect to a movement of the object.

Image pickup apparatus

An evaluation method of an image stabilization effect of an imaging device includes calculating an evaluation value of the image stabilization effect on the basis of shutter speed values in case of which each of a reference shake amount theoretically calculated on the basis of a shake waveform applied to the imaging device and a measured shake amount calculated using an image captured in a state in which the imaging device is vibrated becomes a specified shake amount, and setting the specified shake amount. The setting includes calculating an image deterioration amount of the imaging device caused by something other than a shake from the outside, and selecting a determination level that defines the specified shake amount from a plurality of determination levels having different shake amounts on the basis of the image deterioration amount.

Evaluation method and evaluation device of image stabilization effect of imaging device, and program storage medium

An image capturing apparatus includes a first mount portion and a first cylindrical member that has a color different from a color of the first mount portion and is disposed in a circumferential direction of the first mount portion, an accessory includes an exterior portion, a second mount portion, and a second cylindrical member having a color different from a color of the second mount portion and similar to a color of the first cylindrical member and disposed in a circumferential direction of the second mount portion, and in a state where the accessory is attached to the image capturing apparatus, reference surfaces of the first mount portion and the second mount portion are in contact with each other, and the first cylindrical member and the second cylindrical member are externally exposed regardless of whether the accessory is attached to or detached from the image capturing apparatus.

Image capturing apparatus, accessory, camera system including image capturing apparatus and accessory

A lens apparatus includes an holding barrel configured to hold a lens, movable relative to a fixed barrel in an optical axis direction, and configured to form a retracted state having an overall length of the lens apparatus smaller than when the lens apparatus is in an imaging state, an operating member configured to switch between a lock state that locks the holding barrel and an unlock state that unlocks the holding barrel, a state detector configured to detect a state of the holding barrel relative to the fixed barrel in the optical axis direction, a lock detector configured to detect whether the operating member is in the lock state or the unlock state, and an output unit configured to output detection results by the state detector and the lock detector, or information on whether imaging is available according to the detection results.

Lens apparatus, image pickup apparatus, control method, and storage medium

A lens apparatus includes a base barrel, a lens movable to an object side and an image side relative to the base barrel, an actuator configured to move the lens, a drive board that includes an electric element configured to drive the actuator, and a board holding member configured to hold the drive board and attached to the base barrel from the object side.

Lens apparatus and imaging apparatus

Adapter for camera lens

A stage device capable of performing piercing vibration and translational driving by using one actuator, and performing very low-speed driving in the translational driving with high accuracy. The stage device includes an X stage having a vibration actuator that includes an vibration element and a contact body, one of which is a movable body connected to an object to be driven, and drives the object to be driven in an X-axis direction, and a control section that controls driving of the vibration actuator. The control section causes two-phase AC voltages to be applied to an electromechanical energy conversion element to thereby excite predetermined vibrations in the vibration element, to drive the vibration actuator by switching between a movement mode for moving the object to be driven in the X-axis direction and a vibration mode for vibrating the object to be driven in the X-axis direction.

Stage device, minute operation device, and method of controlling same

Growing community of inventors

Tokyo, Japan

Toru Matsumoto