Imaging device
AssigneeOlympus Corporation
InventorTakahiro Amanai
Life of this patent
Estimating the term…
Abstract
A zooming optical system has at least one lens unit having a variable magnification function and at least one deformable reflecting surface having a compensator or focusing function. In this case, the zooming optical system satisfies the following conditions: 0≦|øx/φ|<0.5, 0≦|øy/φ|<0.5, where øx is power of an axis perpendicular to a direction of decentering of the deformable reflecting surface; øy is power of an axis in parallel with a direction of decentering of the deformable reflecting surface; and φ is power of the entire optical system.
Claims53
A zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- and
- at least one deformable reflecting surface having a compensator or focusing function, said zooming optical system satisfying in at least one operating state, the following conditions:
- 0<|φx/φ|<0.5
- 0<|φy/φ|<0.5
- where φx is power of an axis perpendicular to a direction of decentering of the deformable reflecting surface;
- φy is power of an axis in parallel with a direction of decentering of the deformable reflecting surface;
- and φ is power of an entire optical system.
A zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- and
- at least one deformable reflecting surface having a compensator or focusing function, said zooming lens satisfying the following condition:
- 0.01<|η|<3.0
- where η is a magnification of variator unit.
An imaging device using a zooming optical system, the zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- and
- at least one deformable reflecting surface having a compensator or focusing function,
- wherein the zoom optical system further comprises a variator unit and is configured to move the variator unit without using a driving means.
An imaging device using a zooming optical system, the zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- and
- at least one deformable reflecting surface having a focusing function,
- wherein the zoom optical system further comprises a variator unit and is configured to move the variator unit without using a driving means.
A zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- and
- at least one deformable reflecting surface having a compensator or focusing function, satisfying the following condition:
- D<20.0 mm
- where D is an effective beam diameter of the deformable reflecting surface.
A zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- and
- at least one deformable reflecting surface having a compensator or focusing function,
- wherein a variator is contacted with one lens unit.
A zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- and
- at least one deformable reflecting surface having a compensator or focusing function,
- wherein a variator is constructed with one lens unit to satisfy the following condition:
- 0.1<|η|<2.0
- where η is a magnification of a variator unit.
A zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- and
- at least one deformable reflecting surface having a compensator or focusing function, said zoom optical system satisfying the following condition:
- D<17.0 mm
- where D is an effective beam diameter of the deformable reflecting surface.
A zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- and
- at least one deformable reflecting surface having a compensator or focusing function,
- wherein a stop surface is independently moved in a zooming operation and is placed in the proximity of the deformable reflecting surface.
A zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- and
- at least one deformable reflecting surface having a compensator or focusing function,
- wherein the deformable reflecting surface is configured as a free-formed surface.
A zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- and
- at least one deformable reflecting surface having a compensator or focusing function,
- wherein the deformable reflecting surface is constructed to be deformable at least by a predetermined amount of deformation, the predetermined amount of deformation being an amount that is sufficient for compensation for deterioration of optical performance caused a manufacturing error of a lens or a lens system.
A zooming optical system comprising:
- a deformable reflecting surface;
- and
- a lens unit,
- wherein the deformable reflecting surface has only a function as a compensator, and the lens unit has a non-deformable surface and performs focusing.
An optical system comprising:
- a variable mirror;
- a moving lens unit;
- and
- an image sensor,
- wherein the variable mirror is arranged to be decentered in a predetermined direction,
- wherein the lens unit has a rotationally symmetrical lens, and
- wherein the image sensor is arranged so that a longer side thereof is parallel with the predetermined direction.
An optical system including a zooming optical system, zooming optical system having at least one moving lens unit and a variable mirror to thereby make a magnification change, wherein a stop is moved along an optical axis in a zooming operation.
An optical system including a zooming optical system, the zooming optical system having at least two moving lens units and a variable mirror to thereby make a magnification change, wherein a stop is moved along an optical axis in a zooming operation.
A zooming optical system constituting an optical system, the optical system comprising:
- a variable mirror;
- a moving lens unit with a rotationally symmetrical lens;
- and
- an image sensors,
- wherein the variable mirror is arranged to be decentered in a predetermined direction,
- wherein the image sensor is arranged so that a longer side thereof is parallel with the predetermined direction, and
- wherein only the variable mirror is driven in a focusing operation to perform focusing.
An optical system including a zooming optical system, said zooming optical system comprising:
- at least one lens unit having a variable magnification function and
- at least one deformable reflecting surface having a compensator or focusing function,
- wherein an angle made by axial incident light from an axial object with axial incident light on the image sensor is 90°±5° or 60°±5°.
An optical system including a zooming optical system,
- said zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions and
- at least one deformable reflecting surface having a focusing function,
- wherein an angle made by axial incident light from an axial object with axial incident light on the image sensor is 90°±5° or 60°±5°.
An optical system including a zooming optical system, said zooming optical system having at least one moving lens unit and a variable mirror to thereby make a magnification change, wherein an angle made by axial incident light from an axial object with axial incident light on the image sensor is 90°±5° or 60°±5°.
An optical system including a zooming optical system, said zooming optical system having at least two moving lens units and a variable mirror to thereby make a magnification change, wherein an angle made by axial incident light from an axial object with axial incident light on the image sensor is 90°±5° or 60°±5°.
A zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- and
- at least one deformable reflecting surface having a compensator or focusing function,
- wherein a non-deformable reflecting surface is provided and an incident angle of axial light on a variable mirror is 55° or less.
A zooming optical system constituting an optical system, the optical system comprising:
- a variable mirror;
- a moving lens unit with a rotationally symmetrical lens;
- and
- an image sensor,
- wherein the variable mirror is arranged to be decentered in a predetermined direction,
- wherein the image sensor is arranged so that a longer side thereof is parallel with the predetermined direction,
- wherein a non-deformable reflecting surface is provided, and
- wherein an incident angle of axial light on the variable mirror is 55° or less.
A zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- and
- at least one deformable reflecting surface having a compensator or focusing function,
- wherein an aspherical lens is provided.
A zooming optical system constituting an optical system, the optical system comprising:
- a variable mirror;
- a moving lens unit with a rotationally symmetrical lens;
- and
- an image sensor,
- wherein the variable mirror is arranged to be decentered in a predetermined direction,
- wherein the image sensor is arranged so that a longer side thereof is parallel with the predetermined direction, and
- wherein an aspherical lens is provided.
An optical system including a zooming optical system, the zooming optical system comprising:
- at least one lens unit having a variable magnification function;
- at least one deformable reflecting surface having a compensator or focusing function;
- and
- a deformable mirror having the deformable reflecting surface,
- wherein the deformable reflecting surface is shaped oblong and arranged with a lengthwise direction thereof being parallel with a plane of incidence of light.
An optical system including a zooming optical system,
- the zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- at least one deformable reflecting surface having a focusing function;
- and
- a deformable mirror having the deformable reflecting surface,
- wherein the deformable reflecting surface is shaped oblong and arranged with a lengthwise direction thereof being parallel with a plane of incidence of light.
An optical system including a zooming optical system, the zooming optical system having at least one moving lens unit and a variable mirror to thereby make a magnification change, wherein the variable mirror has a deformable mirror surface that is shaped oblong and arranged with a lengthwise direction thereof being parallel with a plane of incidence of light.
An optical system including a zooming optical system, the zooming optical system having at least two moving lens units and a variable mirror to thereby make a magnification change, wherein the variable mirror has a deformable mirror surface that is shaped oblong and arranged with a lengthwise direction thereof being parallel with a plane of incidence of light.
A cellular phone having an optical system, the optical system comprising:
- a variable mirror;
- a moving lens unit;
- and
- an image sensor,
- wherein the variable mirror is arranged to be decentered in a predetermined direction,
- wherein the lens unit has a rotationally symmetrical lens, and
- wherein the image sensor is arranged so that a longer side thereof is parallel with the predetermined direction.
A zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- and
- at least one deformable reflecting surface having a focusing function,
- said zooming optical system satisfying in at least one operating state, the following conditions:
- 0<|φx/φ|<0.5
- 0<|φy/φ|<0.5
- where φx is power of an axis perpendicular to a direction of decentering of the deformable reflecting surface;
- φy is power of an axis in parallel with a direction of decentering of the deformable reflecting surface;
- and φ is power of an entire optical system.
A zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- and
- at least one deformable reflecting surface having a focusing function,
- said zooming optical system satisfying the following condition:
- 0.01<|η|<3.0
- where η is a magnification of a variator unit.
A zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- and
- at least one deformable reflecting surface having a focusing function,
- said zooming optical system satisfying the following condition:
- D<20.0 mm
- where D is an effective beam diameter of the deformable reflecting surface.
A zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- and
- at least one deformable reflecting surface having a focusing function,
- wherein a variator is constructed with one lens unit.
A zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- and
- at least one deformable reflecting surface having a focusing function,
- wherein a variator is constructed with one lens unit to satisfy the following condition:
- 0.1<|η|<2.0
- where η is a magnification of a variator unit.
A zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- and
- at least one deformable reflecting surface having a focusing function,
- said zooming optical system satisfying the following condition:
- D<17.0 mm
- where D is an effective beam diameter of the deformable reflecting surface.
A zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- and
- at least one deformable reflecting surface having a focusing function,
- wherein a stop surface is independently moved in a zooming operation and is placed in the proximity of the deformable reflecting surface.
A zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- and
- at least one deformable reflecting surface having a focusing function,
- wherein the deformable reflecting surface is configured as a free-formed surface.
A zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- and
- at least one deformable reflecting surface having a focusing function,
- wherein the deformable reflecting surface is contacted to be deformable at least by a predetermined amount of deformation, the predetermined amount of deformation being an amount that is sufficient for compensation for deterioration of optical performance caused by a manufacturing error of a lens or a lens system.
A zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- and
- at least one deformable reflecting surface having a focusing function,
- wherein a non-deformable reflecting surface is provided and an incident angle of axial light on a variable mirror is 55° or less.
A zooming optical system having at least two moving lens units and a variable mirror to thereby make a magnification change, wherein a non-deformable reflecting surface is provided and an incident angle of axial light on a variable mirror is 55° or less.
A zooming optical system comprising:
- at least two lens units having variable magnification or compensator functions;
- and
- at least one deformable reflecting surface having a focusing function,
- wherein an aspherical lens is provided.
A zooming optical system having at least two moving lens units and a variable minor to thereby make a magnification change,
- wherein an aspherical lens is provided.
Dependencies are inferred from the claim text.