IMAGING LENS CHECK AND ACTIVE ALIGNMENT METHOD TO MAINTAIN CONSISTENT REAR FOCUSING DISTANCE FOR AN AUTOFOCUS LENS
An optical assembly for an autofocus imaging system for capturing at least one image of an object appearing in an imaging field of view (FOV) is provided. The optical assembly includes a front aperture along an optical axis and a front lens group along the optical axis that receives light from the o...
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| creator | Wittenberg, Carl D Joles, Bryan E Vinogradov, Igor Hurley, IV, William P Shi, David T Gurevich, Vladimir |
| description | An optical assembly for an autofocus imaging system for capturing at least one image of an object appearing in an imaging field of view (FOV) is provided. The optical assembly includes a front aperture along an optical axis and a front lens group along the optical axis that receives light from the object of interest. The position of the front lens group is adjustable to change a focal distance of the optical assembly. The optical assembly further includes an actuator physically coupled to the front lens group that adjusts the position of the front lens. A rear lens group is disposed along the optical axis to receive the light from the front lens group, and an imaging sensor is disposed at a back focal distance of the rear lens group, to detect the light. |
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| subjects | OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS |
| title | IMAGING LENS CHECK AND ACTIVE ALIGNMENT METHOD TO MAINTAIN CONSISTENT REAR FOCUSING DISTANCE FOR AN AUTOFOCUS LENS |
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