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DPChallenge Forums >> Tips, Tricks, and Q&A >> Gamma levels: Mac vs. PC
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Showing posts 1 - 8 of 8, (reverse)
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04/01/2002 10:55:00 PM · #1
I noticed on the latest challenge that I got several comments commenting
about the contrast level on my photo. I use an Apple iBook under Mac OS X
for all my photo downloading and editing, and it looked fantastic to me and
all the folks I showed it to.

But then I looked at it on a PC, and it seemed dark and grungy! Does anyone
have any suggestions on a standard transformation I can do to my photos to
make them more acceptable to PC users? Or do I just have to tweak my photos
to be super-bright to show up correctly on PC monitors, since that's the majority
of the voters on dpchallenge.com?



* This message has been edited by the author on 4/1/2002 10:57:08 PM.
04/01/2002 11:49:46 PM · #2
Gamma is independant of monitor type, that's the point. :) If you have your gamma set correctly it should about the same no matter what monitor or computer you're using. Within reason.

04/01/2002 11:54:10 PM · #3
Originally posted by Mousie:
Gamma is independant of monitor type, that's the point. :) If you have your gamma set correctly it should about the same no matter what monitor or computer you're using. Within reason.



PCs are usually calibrated at 2.2, Macs at 1.8. So PCs are darker than Macs, in general. I go with 2.0, right in the middle.
04/02/2002 05:56:43 AM · #4
PCs are usually calibrated at 2.2, Macs at 1.8. So PCs are darker than Macs, in general. I go with 2.0, right in the middle.


Reuben is correct. I run into this alot. Stuff tweaked to be perfect for mac always looks dark on PC. It's a judgement call at that point to decide if you want your stuff to look better for the PC users or the mac users, but the whole gamma thing is definitely a reality.




01/15/2005 08:40:53 PM · #5
Bump!

Heh. I own a mac (new user), and I just found this problem out recently... it took a few goes, but I finally managed to get the calibration set correctly.

If you own a mac, check it out!
01/15/2005 09:01:35 PM · #6
check out this page for a little test on gamma: zonezero

BTW, how do i change my gamma settings on a mac?
01/15/2005 09:09:57 PM · #7
thanks for the link...i never knew to stand back from the monitor for a gamma test.

as for a mac gamma test? i know photoshop comes with one for PCs...but i dunno for mac
01/15/2005 09:23:22 PM · #8
Even though the thread is several years old and it's probably been mentioned before since then you can do a quick test in photoshop to see roughly how images will compare between platforms. If you're on a mac open up the levels dialog and slide the grey slider to the right to 0.80. This will show you roughly how dark the image will appear on a pc. If you're on a pc slide the middle slider left to 1.20. This will show you roughly what it will look like on a PC. In the end though there are really too many variables to take into account. The only thing you can do is make the image acceptable to a variety of conditions.
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