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What does 'warm up' mean?

Discussion

3 replies
Posted by Jim Hackley on July 28, 2011 at 11:02 AM
In some of the comments of my bird image postings it has been suggested that I might want to 'warm up' the image. I was just curious, what does that exactly mean? Add more contrast, layer mask then use a filter, levels adjustment or in the raw image editor adjust the temperature range?
Thanks,
Jim
Posted by Ramamohan Pai on July 28, 2011 at 11:50 AM
Perhaps an indication that you need to set the White Balance a bit warmer - 5500 or so is daylight, if you slide it to 6000 or 6500 you will see the "warming". In film days people used a Warming Filter.
Posted by Richard Ditch on July 28, 2011 at 11:58 AM
"Warm up" means to change the color balance towards the red end of the spectrum and away from the blue end.

Changing the white balance preset at the time of exposure is one way to do this, but most of us address it with the temperature slider in Adobe Camera Raw at the time of raw conversion.

If someone shoots jpg instead of raw, or only sees the need after leaving ACR, then use a Color Balance adjustment layer and move one slider towards red and another slider a bit towards yellow.
Posted by Jim Hackley on July 28, 2011 at 12:07 PM
Thank you Ram and Rich.