Patent ID: 11953449
Assignee: OPTO ENGINEERING S.P.A.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A visual inspection device, comprising a pinhole lens optically coupled to a sensor, wherein the pinhole lens comprises:
a pinhole placed at a distal end of the pinhole lens to capture rays from an object to be inspected;
a front optical group suitable to receive the rays which cross the pinhole;
a rear optical group,
wherein the front optical group is configured to focus, on the rear optical group, the rays which cross the pinhole, and wherein the rear optical group is configured to focus, on the sensor, the rays received from the front optical group
the visual inspection device further comprising an adaptive lens inserted between the front optical group and the rear optical group, a curvature of the adaptive lens being controllable to focus the lens.