Daniel Browning |
January 3rd, 2009 12:35 AM |
Quote:
Originally Posted by Andreas Neubert
(Post 987985)
The default picture style is indeed by far to contrasty.
Even contrast at lowest setting -4 is not too dull, and you have to reduce the colors too (-2 might be a good starting point).
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Yes, I'm still trying to find a picture style that has the right contrast and colors for my purposes. Been shooting Canon for years, but I have to learn their picture style system from scratch since I shoot raw. I'm not doing very well so far, as I get really funky skin tones when I try to build a low contrast curve or use negative contrast settings.
Quote:
BUT: The default picture style doesn´t really crush blacks, it just compresses them too strong into an area of the RGB 0-255 colorspace that most applications do not import properly!
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I'm using the CoreAVC workaround for now and the amount of detail in those last 0-16 is pretty tremendous, but there is still a lot more underneath that which is crushed by the black point and curve. Hopefully I will get it all back with the right picture style.
Quote:
What is the broken ISO 3200 mode? Did I miss something?
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It's a little known problem with many digital cameras. ISO 3200 has the same read noise as ISO 1600, so the only difference between ISO 1600 and ISO 3200 is that the latter has one stop less highlights. ISO 6400 is even worse: its highlights are literally deleted from the file, digitally, for no reason (for a 2-stop loss in highlights). 25600, similarly, loses 4 stops of highlights for no reason. Highlight tone priority is the correct solution to this problem since it performs applies a curve to the highlights so that they are preserved instead of deleted. Unfortunately, Canon disabled HTP for ISO 6400+, and they only made it effective for 1 stop (an optional 4 stops would have been correct, so it could be used for all ISO settings). At least it works for 3200, so that we can at least use it to fix that one.
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