Car Camera Sensors: Image Sensors, G-Sensors and More

Look for a modern sensor paired with a bright lens and well-implemented HDR. Manufacturer sample clips and independent laboratory footage are more useful than megapixels alone.

It is an accelerometer that detects sudden movement or impact. A dash cam can use that event to protect a clip from normal loop overwriting.

No. Sensor area, pixel size, exposure, lens quality, compression and movement all influence the recorded detail.

HDR combines exposure information to retain detail across bright and dark areas. Its effectiveness varies by camera and recording mode.