Imaging device
First Claim
Patent Images
1. 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<
|φ
x/φ
|<
0.5
0<
|φ
y/φ
|<
0.5 where φ
x is power of an axis perpendicular to a direction of decentering of the deformable reflecting surface;
φ
y 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.
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Accused Products
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.
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Citations
53 Claims
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1. 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<
|φ
x/φ
|<
0.5
0<
|φ
y/φ
|<
0.5where φ
x is power of an axis perpendicular to a direction of decentering of the deformable reflecting surface;
φ
y 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.
-
-
2. 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
|<
3.0where η
is a magnification of variator unit. - View Dependent Claims (3)
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-
4. 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.
-
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5. 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.
-
-
6. 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 mmwhere D is an effective beam diameter of the deformable reflecting surface. - View Dependent Claims (7)
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8. 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.
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9. 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
|<
2.0where η
is a magnification of a variator unit.
-
-
10. 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 mmwhere D is an effective beam diameter of the deformable reflecting surface.
-
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11. 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.
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12. 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.
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13. 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.
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14. 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.
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15. 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. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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23. 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.
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24. 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.
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25. 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.
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26. 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°
.
-
-
27. 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°
.
-
-
28. 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°
.
- ±
-
29. 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°
.
- ±
-
30. 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.
-
-
31. 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.
-
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32. 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.
-
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33. 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.
-
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34. 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.
-
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35. 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.
-
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36. 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.
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37. 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.
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38. 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.
-
-
39. 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<
|φ
x/φ
|<
0.5
0<
|φ
y/φ
|<
0.5where φ
x is power of an axis perpendicular to a direction of decentering of the deformable reflecting surface;
φ
y 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.
-
-
40. 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
|<
3.0where η
is a magnification of a variator unit.- View Dependent Claims (41)
-
-
42. 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 mmwhere D is an effective beam diameter of the deformable reflecting surface. - View Dependent Claims (43)
-
-
44. 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.
-
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45. 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
|<
2.0where η
is a magnification of a variator unit.
-
-
46. 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 mmwhere D is an effective beam diameter of the deformable reflecting surface.
-
-
47. 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.
-
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48. 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.
-
-
49. 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.
-
-
50. 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.
-
-
51. 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.
-
52. 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.
-
-
53. 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.
Specification