> a photo with the lens cap on still contains decent entropy https://en.wikipedia.org/wiki/Johnson%E2%80%93Nyquist_noise https://en.wikipedia.org/wiki/Johnson%

> a photo with the lens cap on still contains decent entropy https://en.wikipedia.org/wiki/Johnson%E2%80%93Nyquist_noise https://en.wikipedia.org/wiki/Johnson%E2%80%93Nyquist_noise spending so much time devising ways to mitigate or remove noise, it becomes difficult to think of it as a 'feature'...