Sensors & Digital Capture
5 terms
Raw Bit Depth
Sensors & Digital Capture
bits
The number of bits used to record each photosite's value in a raw file, determining how many tonal levels are captured.
Levels = 2^bits
Raw Data
Sensors & Digital Capture
ADU
The minimally processed values read from the sensor, before demosaicing, white balance or tone rendering.
Read Noise
Sensors & Digital Capture
e⁻ (electrons)
Noise introduced by the process of reading and digitising the sensor's signal, independent of how much light was captured.
Readout Speed
Sensors & Digital Capture
ms
How quickly a sensor's entire array can be transferred off the chip, usually quoted as the time to scan the full frame.
Rolling Shutter Artefact
Sensors & Digital Capture
ms
Distortion caused by a sensor being read out progressively, so different parts of the frame record at slightly different times.