Method, apparatus, system and software for focusing a camera

This invention describes a system for helping a cine-camera operator focus. It uses a radiation beam, like a laser, to measure distances to objects across a grid of zones in the camera's view. These distance measurements are then displayed as graphics overlaid on the camera's live video feed, showing the operator where objects are and how to adjust the focus for them.

Why it matters: Since 2016, active ranging sensors like LiDAR have become significantly smaller, more affordable, and more powerful. This makes integrating real-time distance measurement and graphical focus assistance into cine-camera systems much more practical and less cumbersome today.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedCustom active ranging sensor, video overlay hardware.

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