Lens system and camera system composed of camera provided with lens system

A lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a correction optical component for tilting the optical axis of said image taking optical unit;
• c) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit;
• d) a vibration sensor for detecting a vibration;
• e) an insertion or retraction detection sensor for detecting whether said conversion optical component is disposed on the optical axis of said image taking optical unit or not;
• f) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• g) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said vibration sensor exceeds a predetermined limit value, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value in correspondence with the output from said insertion or retraction detection sensor.

A lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a correction optical component for tilting the optical axis of said image taking optical unit;
• c) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit, said conversion optical component having an optical element for converting a focal length;
• d) a vibration sensor for detecting a vibration;
• e) a magnification detection sensor for detecting a conversion magnification of said optical element when said optical element of said conversion optical component is disposed on the optical axis of said image taking optical unit;
• f) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• g) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said vibration sensor exceeds a predetermined limit value and the output exceeding the limit value is continued beyond a predetermined period of time, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value in correspondence with the output from said magnification detection sensor.

A lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a correction optical component for tilting the optical axis of said image taking optical unit;
• c) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit;
• d) a vibration sensor for detecting a vibration;
• e) an insertion or retraction detection sensor for detecting whether said conversion optical component is disposed on the optical axis of said image taking optical unit or not;
• f) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• g) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said vibration sensor exceeds a predetermined limit value and the output exceeding the limit value is continued beyond a predetermined period of time, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value in correspondence with the output from said insertion or retraction detection sensor.

A lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a correction optical component for tilting the optical axis of said image taking optical unit;
• c) a shift sensor for detecting a shift amount of said correction optical component;
• d) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit, said conversion optical component having an optical element for converting a focal length;
• e) a vibration sensor for detecting a vibration;
• f) a magnification detection sensor for detecting a conversion magnification of said optical element when said optical element of said conversion optical component is disposed on the optical axis of said image taking optical unit;
• g) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• h) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said shift sensor exceeds a predetermined limit value of the shift amount, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value of the shift amount in correspondence with the output from said magnification detection sensor.

A lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a correction optical component for tilting the optical axis of said image taking optical unit;
• c) a shift sensor for detecting a shift amount of said correction optical component;
• d) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit;
• e) a vibration sensor for detecting a vibration;
• f) an insertion or retraction detection sensor for detecting whether said conversion optical component is disposed on the optical axis of said image taking optical unit or not;
• g) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• h) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said shift sensor exceeds a predetermined limit value of the shift amount, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value of the shift amount in correspondence with the output from said insertion or retraction detection sensor.

A lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a magnification changing optical component moved along the optical axis of said image taking optical unit for changing a magnification ratio;
• c) a position sensor for detecting the movement position of said magnification changing optical component on the optical axis;
• d) a correction optical component for tilting the optical axis of said image taking optical unit;
• e) a shift sensor for detecting a shift amount of said correction optical component;
• f) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit, said conversion optical component having an optical element for converting a focal length;
• g) a vibration sensor for detecting a vibration;
• h) a magnification detection sensor for detecting a conversion magnification of said optical element when said optical element of said conversion optical component is disposed on the optical axis of said image taking optical unit;
• i) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• j) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said shift sensor exceeds a predetermined limit value of the shift amount, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value of the shift amount in correspondence with the output from said magnification detection sensor.

A lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a magnification changing optical component moved along the optical axis of said image taking optical unit for changing a magnification ratio;
• c) a position sensor for detecting the movement position of said magnification changing optical component on the optical axis;
• d) a correction optical component for tilting the optical axis of said image taking optical unit;
• e) a shift sensor for detecting a shift amount of said correction optical component;
• f) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit;
• g) a vibration sensor for detecting a vibration;
• h) an insertion or retraction detection sensor for detecting whether said magnification changing optical component is disposed on the optical axis of said image taking optical unit or not;
• i) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• j) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said shift sensor exceeds a predetermined limit value of the shift amount, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value of the shift amount in correspondence with the output from said insertion or retraction detection sensor and the output from said position sensor.

A camera system having a camera mounted with a lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a correction optical component for tilting the optical axis of said image taking optical unit;
• c) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit, said conversion optical component having an optical element for converting a focal length;
• d) a vibration sensor for detecting a vibration;
• e) a magnification detection sensor for detecting a conversion magnification of said optical element when said optical element of said conversion optical component is disposed on the optical axis of said image taking optical unit;
• f) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• g) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said vibration sensor exceeds a predetermined limit value, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value in correspondence with the output from said magnification detection sensor.

A camera system having a camera mounted with a lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a correction optical component for tilting the optical axis of said image taking optical unit;
• c) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit;
• d) a vibration sensor for detecting a vibration;
• e) an insertion or retraction detection sensor for detecting whether said conversion optical component is disposed on the optical axis of said image taking optical unit or not;
• f) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• g) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said vibration sensor exceeds a predetermined limit value, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value in correspondence with the output from said insertion or retraction detection sensor.

A camera system having a camera mounted with a lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a correction optical component for tilting the optical axis of said image taking optical unit;
• c) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit, said conversion optical component having an optical element for converting a focal length;
• d) a vibration sensor for detecting a vibration;
• e) a magnification detection sensor for detecting a conversion magnification of said optical element when said optical element of said conversion optical component is disposed on the optical axis of said image taking optical unit;
• f) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• g) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said vibration sensor exceeds a predetermined limit value and the output exceeding the limit value is continued beyond a predetermined period of time, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value in correspondence with the output from said magnification detection sensor.

A camera system having a camera mounted with a lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a correction optical component for tilting the optical axis of said image taking optical unit;
• c) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit;
• d) a vibration sensor for detecting a vibration;
• e) an insertion or retraction detection sensor for detecting whether said conversion optical component is disposed on the optical axis of said image taking optical unit or not;
• f) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• g) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said vibration sensor exceeds a predetermined limit value and the output exceeding the limit value is continued beyond a predetermined period of time, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value in correspondence with the output from said insertion or retraction detection sensor.

A camera system having a camera mounted with a lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a correction optical component for tilting the optical axis of said image taking optical unit;
• c) a shift sensor for detecting a shift amount of said correction optical component;
• d) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit, said conversion optical component having an optical element for converting a focal length;
• e) a vibration sensor for detecting a vibration;
• f) a magnification detection sensor for detecting a conversion magnification of said optical element when said optical element of said conversion optical component is disposed on the optical axis of said image taking optical unit;
• g) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• h) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said shift sensor exceeds a predetermined limit value of the shift amount, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value of the shift amount in correspondence with the output from said magnification detection sensor.

A camera system having a camera mounted with a lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a correction optical component for tilting the optical axis of said image taking optical unit;
• c) a shift sensor for detecting a shift amount of said correction optical component;
• d) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit;
• e) a vibration sensor for detecting a vibration;
• f) an insertion or retraction detection sensor for detecting whether said conversion optical component is disposed on the optical axis of said image taking optical unit or not;
• g) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• h) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said shift sensor exceeds a predetermined limit value of the shift amount, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value of the shift amount in correspondence with the output from said insertion or retraction detection sensor.

A camera system having a camera mounted with a lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a magnification changing optical component moved along the optical axis of said image taking optical unit for changing a magnification ratio;
• c) a position sensor for detecting the movement position of said magnification changing optical component on the optical axis;
• d) a correction optical component for tilting the optical axis of said image taking optical unit;
• e) a shift sensor for detecting a shift amount of said correction optical component;
• f) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit, said conversion optical component having an optical element for converting a focal length;
• g) a vibration sensor for detecting a vibration;
• h) a magnification detection sensor for detecting a conversion magnification of said optical element when said optical element of said conversion optical component is disposed on the optical axis of said image taking optical unit;
• i) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• j) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said shift sensor exceeds a predetermined limit value of the shift amount, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value of the shift amount in correspondence with the output from said magnification detection sensor.

A camera system having a camera mounted with a lens system comprising:

• a) an image taking optical unit having an optical axis;
• b) a magnification changing optical component moved along the optical axis of said image taking optical unit for changing a magnification ratio;
• c) a position sensor for detecting the movement position of said magnification changing optical component on the optical axis;
• d) a correction optical component for tilting the optical axis of said image taking optical unit;
• e) a shift sensor for detecting a shift amount of said correction optical component;
• f) a conversion optical component insertable into or retractable from the optical axis of said image taking optical unit;
• g) a vibration sensor for detecting a vibration;
• h) an insertion or retraction detection sensor for detecting whether said magnification changing optical component is disposed on the optical axis of said image taking optical unit or not;
• i) a driver for driving said correction optical component to tilt the optical axis of said image taking optical unit;
• and
• j) a controller for controlling the drive of said correction optical component by said driver in accordance with the detection output from said vibration sensor, wherein:
• when the detection output from said shift sensor exceeds a predetermined limit value of the shift amount, said controller controls the drive of said driver so that said correction optical component is located in the vicinity of the optical axis;
• and
• said controller changes the limit value of the shift amount in correspondence with the output from said insertion or retraction detection sensor and the output from said position sensor.