Optical Device for Testing an Image Sensor
AssigneeOmniVision Technologies, Inc.
InventorHung Wei Liu
Life of this patent
Estimating the term…
Abstract
An optical device includes a first lens group arranged between a light-passing module and an object side. A second lens group is arranged between the light-passing and an image sensor. The light-passing control module is disposed between the first lens group and the second lens group, and is configured to control amount of light incident based on a chief ray angle. The light-passing control module includes an aperture stop. The position of the aperture stop is adjustable along the optical axis of the optical device. Alternatively, the aperture stop is disposed inside a rotating bezel. The chief ray angle of the optical device is changed by adjusting the opening and the position of the aperture stop.
Claims20
An optical device for testing an image sensor, comprising:
- a first lens group arranged between a light-passing control module and an object side;
- a second lens group arranged between said light-passing control module and said image sensor;
- wherein said light-passing control module is disposed between said first lens group and said second lens group, configured to control amount of light incident based on a chief ray angle;
- and
- wherein said first lens group and said second lens group include a positive lens power.
An optical device for testing an image sensor, comprising:
- a first lens group arranged between an aperture stop and an object side;
- a second lens group arranged between said aperture stop and said image sensor;
- wherein said aperture stop is disposed between said first lens group and said second lens group and is configured to change a chief ray angle of said optical device;
- and
- wherein said first lens group and said second lens group include a positive lens power.
Dependencies are inferred from the claim text.