![]() ![]() ![]() ![]() For example, a 12-bit ADC can capture 4,096 possible tonal values for each pixel. The bits in this case refer to the number of possible tonal values that your camera’s sensor can capture. Most DSLRs these days either have a 12-bit or 14-bit ADC. 14-bitĮvery digital camera has some kind of analog to digital converter (ADC) that converts the analog signal captured by the sensor into a digital signal that produces your image. Analog to Digital Converters (ADC): 12-bit Vs. You would need 4 bits in this case (2 x 2 x 2 x 2 = 16). With a sequence of bits, order matters, so “01” is very different from “10.”Įach time you add a bit to a sequence, you double the number of possible values, so if you go from two bits to three bits, you go from four possible values to eight possible values.Īs an example, let’s say you were interested in storing something that has 16 possible values. Although one bit can store two possible values, a sequence of two bits can store four possible values: 00, 01, 10, and 11. ![]()
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