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Apple Is Reportedly Testing a Prototype iPhone Sensor With Human-Eye-Level Dynamic Range

A USPTO filing describes a stacked-pixel design featuring multi-level light capture, on-chip noise suppression as well as per-pixel memory circuits to achieve up to 20 stops of dynamic range.

Identical twins have unique irises | Image: Nathan DeFiesta/Unsplash

Overview

  • A patent filed in July outlines a two-layer sensor architecture combining a sensor die and logic die with a Lateral Overflow Integration Capacitor system for multi-level light capture and real-time noise suppression.
  • Weibo leaker “Fixed Focus Digital” claims Apple has moved beyond patent filings and is evaluating early prototypes in developmental iPhone hardware.
  • If realized, the custom sensor would boost iPhone dynamic range from the current 10–13 stops to as much as 20 stops, potentially outpacing cinema cameras like the ARRI ALEXA 35.
  • Building its own image sensor aligns with Apple’s broader push to internalize key hardware components and reduce reliance on suppliers such as Sony.
  • No official confirmation or product launch timeline has been provided and it remains uncertain when this patented sensor might appear in a consumer device.