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176 - Bit Depth Demystified: The Math of Color
You've probably been told you should shoot RAW. And I'm sure you've also thought - WHY? I'm just delivering a JPEG file anyway. What's inside a RAW file that makes it worth the storage space?
This episode gets into the numbers, and once you see them, the case for RAW becomes impossible to argue with. Yes, I knew it was your understanding that there would be no math, but, unfortunately, there's actually a lot of math behind what you see in digital photos.
Bit depth is exponential, not additive. A standard JPEG is 8-bit, giving you 256 brightness levels per colour channel and roughly 16.7…
The skinny
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