Optical device and image pickup device and image pickup system using the same
AssigneeOlympus Corporation
InventorsAyako ASAKURA, Akikazu YACHI
Life of this patent
Estimating the term…
Abstract
An optical device where an image of an object is formed on an image pickup element and where an image restoration process is performed on the image obtained by the image pickup element, comprising a MTF that satisfies the following conditional expression (1): 0.001<L×NA<0.5,5<a<30 (1) where L: the width of the MTF when the MTF is a %, and NA: a numerical aperture of the optical device.
Claims34
1-5. (canceled)
An optical device that forms an image of an object on an image pickup element and executes an image restoration process on the image obtained by the image pickup element,
- wherein PSFs in at least two spots in an image-side predetermined region are substantially equal to each other.
11-34. (canceled)
An image pickup device, comprising:
- an image pickup element;
- an optical system that forms an image of an object on the image pickup element;
- and
- image processing means for executing image processing on the image obtained by the image pickup element;
- wherein in the optical system, PSFs in at least two spots in an image-side predetermined region are substantially equal to each other.
52-67. (canceled)
Dependencies are inferred from the claim text.