The entire iPhone 14 lineup features new ambient light sensor in rear camera system

Apple has featured improved dual ambient light sensors across the iPhone 14 series for the first time.

The ambient light sensor or ALS sensor in iPhone detects the brightness of the users’ surroundings and automatically adjusts the screen’s brightness. The sensor increases brightness in light locations and dims it in dark locations.

iPhone with FaceID houses the ambient light sensor in the notch along with a selfie camera and other components. Now, the iPhone 14 models feature the dual ambient light sensor in selfie and rear camera systems as listed in the devices’ tech specs.

Dual ambient light sensors on iPhone 14 series improve auto-display brightness and determine exposure

Matthew Panzarino from TechCrunch wrote that 2022 standard and Pro iPhone models are equipped with dual ambient light sensors; in the front camera to adjust the display’s brightness and the rear camera to determine exposure.

There is now an ambient light sensor on the back of all new iPhone models — something that is used to adjust display brightness but also to determine camera exposure. This can help when moving suddenly into or out of big backlit scenarios. This is also hard to verifiably test — especially as the camera and screen adjustments are already well supported by existing sensors.

The addition of the dual ambient light sensors is one of the many under-the-hood changes the tech giant has offered in the latest iPhone series. To support new Crash Detection and Emergency SOS via satellite safety features, iPhone 14 series features improved sensors than iPhone 13 Pro.

Sensors in iPhone 13 Pro Max	Sensors across iPhone 14 series
Three-axis gyro	High dynamic range gyro
Accelerometer	High-g accelerometer

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