Canon Kabushiki Kaisha

Yuichiro Kato

Toru Matsumoto

Toshimune Nagano

Takehiko Sato

Masayasu Mizushima

Akino Moriyoshi

Shigeru Ogino

Shigeo Nakashima

Sawako Ito

Takami Hirasawa

Yuki Matsuba

Hiroki Osaka

Yoshiki Saji

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

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 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 optical apparatus including: an optical element; a front fixed barrel; a front cover; a function operation ring, which is arranged between the front fixed barrel and the front cover, and is configured to be rotated to move the optical element; and a fixing screw configured to fix the front fixed barrel and the front cover to each other, in which at least one of the front fixed barrel or the front cover includes a deformation beam portion configured to absorb stress generated by the fixing screw.

Optical apparatus and image pickup apparatus

Provided is an optical apparatus including: an optical member; a focus motor configured to move the optical member; a lens CPU configured to control the focus motor; an MF ring including a reflection portion and a low reflection portion having a reflectance lower than a reflectance of the reflection portion, and a photo-reflector configured to receive light reflected by the reflection portion, wherein the lens CPU is configured to control the focus motor based on output from the photo-reflector, and the reflection portion has conductivity.

Optical apparatus and image pickup apparatus using the same

A lens apparatus includes a lens, a first base member, and a holding frame configured to hold the lens, the holding frame including a flange surface that intersects with an optical axis of the lens. The first base member has a first slope having an acute angle to the flange surface, and the holding frame is fixed to the first base member by adhesive provided between the first slope and the flange surface.

Lens apparatus, imaging apparatus, and manufacturing method of the lens apparatus

An image pickup apparatus includes a lens barrel. The lens barrel is configured to move first and second optical units in an optical axis direction for zooming. The lens barrel includes a linear movement cylinder that includes a key configured to guide the first optical unit, a rotation cylinder that includes an outer circumferential cam and an inner circumferential cam, the rotation cylinder being configured to rotate around an optical axis so as to move the first optical unit in the optical axis direction through the outer circumferential cam and so as to move the second optical unit in the optical axis direction through the inner circumferential cam, and a guide bar held by the linear movement cylinder and configured to guide the second optical unit in the optical axis direction.

Image pickup apparatus having lens barrel

A lens apparatus of the present invention includes a cam ringhaving an inner circumferential surface on which first, second, and third cam groove portions, andwith which first, second, and third cam followers, andprovided on first, second, and third lens holding members, andengage. The cam ring introduces the first and second cam followers from an insertion openingand includes an introducing groove portionfor introducing the third cam follower and a connecting groove portion. The third cam groove portion is divided at a middle of the introducing groove portion which connects the insertion opening with the second cam groove portion.

Lens apparatus capable of performing extension/retraction operation with respect to image pickup apparatus body and image pickup apparatus having the same

A third group barrelholding a third lens group Lis controlled to be driven by drivers in yaw and pitch directions orthogonal to an optical axis, respectively. The Y magnet and the Y yoke of the driver in the yaw direction are fixed on the third group barrel, and a Y electromagnetic coil is disposed at a Y guide basesurrounding the third group barrel. As a driver in the pitch direction, a P magnet and P yokeare fixed to the Y guide base, and a P electromagnetic coil is fixed to a P guide base at an opposed position. A Y guide barand a P guide barare overlapped with projection regions onto planes orthogonal to the optical axis of the Y electromagnetic coil and the Y magnet, and the P electromagnetic coil and the P magnet, respectively.

Image shake correction apparatus and image pickup apparatus

An optical device includes a lens holding member that holds a lens and that is movable in a direction along a plane that is orthogonal to an optical axis of the lens, and an actuator that moves the lens holding member in the direction along the plane. In the optical device, the actuator includes an actuator element, formed of electroactive polymer, and a connecting member that connects the lens holding member to the actuator element.

Optical device having blur correction function

An optical apparatus is disclosed which can suppress an increase in size thereof even if its lens is driven in a large movable range. The apparatus comprises a first linear actuator which includes a first member to which an electrical signal is input and a second member whose length in an optical axis direction is longer than the first member, and drives a first lens in a first movable range in the optical axis direction. The apparatus comprises a second linear actuator which includes a third member to which an electrical signal is input and a fourth member whose length in the optical axis direction is longer than the third member, and drives a second lens in a second movable range in the optical axis direction. The first member is moved together with the first lens in the optical axis direction, with respect to the second member.

Growing community of inventors

Utsunomiya, Japan

Yuichiro Kato