Gear Talk > EOS Bodies - For Stills

What is "highlight tone priority" good for anyway?

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Mt Spokane Photography:
For those who are confused, The purpose of HTP (Highlight Tone Priority) is to prevent over exposure of highlights while still allowing you to view details in shadow areas.
 
It underexposes one stop, and the tone curve it uses for in camera jpegs lightens up darker areas so you can see a bit of the detail.  Its pretty subtle, so there is not a huge difference, but if you are sending out of camera jpegs straight to a printer or to the web, it may help.
 
You do not want to use it unless you have bright areas in a scens along with areas in the shade that will be too dark to see details when underexposed one stop.
 
 

Marsu42:
[quote author=nikkito link=topic=5687.msg108886#msg108886 date=1334524131
What I'm asking myself now is if I can get the same results when i Post process a picture with Lightroom. Does it makes a difference if you have it on or not?
[/quote]

You cannot get around thinking while shooting :-) and looking at the histogram and search for clipped areas.

With a high contrast scene, it doesn't really matter if you underexpose manually or use htp - but imho you're more flexible when doing it yourself, because you can underexpose not just 1ev, but a little more or less because too much underexposure than necessary to save the highlights will introduce noise when re-raising the shadows in postprocessing.

Bosman:
I recommend just using your histogram and another level past that the color histogram. This will ensure even your colors aren't clipped.

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