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Hi — Trying to download these, but when I go to login or register, I get a “temporarily unavailable” message. Any other way to access these?
Thanks!
Should be available again now.
Hello, I am searching for a series of CP’s for extreme low light high contrast night scenes ( vehicle dynamics). In particular, I am interested in bringing up the range of blacks while minimizing noise from iso etc. Any advice where to start? Thanx in advance for any suggestions. Bruce
You can’t bring up the blacks without bringing up the noise. Raising the black level via a gamma adjustment is raising the gain near to black, so as with any type of gain adjustment up comes the noise. Gamma curves are gain curves, so if you change them the noise changes just as it would if adding or taking away gain with the gain switch or ISO setting. For any given scene brightness level to achieve any given camera output level the overall gain must be the same, whether that gain is applied via gamma or the gain/ISO switch. So as a result the noise will also be the same. Better to add a bit of light, that’s the only way your really going to make any difference to your signal to noise ratio