tech

December 30, 2025

This experimental camera can focus on everything at once

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This experimental camera can focus on everything at once

TL;DR

  • A new system developed at Carnegie Mellon University can focus on multiple objects at different distances simultaneously.
  • Traditional lenses can only focus on one focal plane at a time.
  • The 'spatially-varying autofocus' system uses a computational lens combining a Lohmann lens and a phase-only spatial light modulator.
  • It incorporates Contrast-Detection Autofocus (CDAF) and Phase-Detection Autofocus (PDAF).
  • Potential applications include microscopes, VR headsets, and autonomous vehicles.

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