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DPChallenge Forums >> Photography Discussion >> Purple fringe
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09/14/2005 08:32:04 AM · #1
What causes a purple fringe in digital photos?

I searched the forums and found a few sketchy answers (under-exposed, too much white in a pic - change metering mode) but nothing definitive. Can anyone help please? Thank you in advance. I will hang up now and listen to your answers.
09/14/2005 08:33:59 AM · #2
Purple Fringe explained

Might be more information than you want!
09/14/2005 08:36:46 AM · #3
Here is another article that claims it is not as simple as chromatic aberration.
09/14/2005 08:37:09 AM · #4
A crappy lens, wide aperture and strong light along a hard contrast edge or something shiny.
09/14/2005 08:56:41 AM · #5
Jimmy Hendrix called it Purple Haze and we all know what that came from. lol
09/14/2005 09:31:11 AM · #6
Originally posted by Azrifel:

A crappy lens, wide aperture and strong light along a hard contrast edge or something shiny.


Actually on some lenses it would get worse with narrower aperture.
09/14/2005 09:33:55 AM · #7
Originally posted by Azrifel:

A crappy lens, wide aperture and strong light along a hard contrast edge or something shiny.

crappy lenses like the canon 85mm 1.2L.
09/14/2005 10:24:38 AM · #8
Originally posted by kyebosh:

Originally posted by Azrifel:

A crappy lens, wide aperture and strong light along a hard contrast edge or something shiny.

crappy lenses like the canon 85mm 1.2L.


Yeah it needs some serious updating. :)

Sure there are some top lenses where the CA is a compromise to get other strengths out of it or the lens system hasn't been updated for a while. But for most camera's/lenses the basic cause is partly a crap/cheap lens design. IMHO.
09/14/2005 10:29:44 AM · #9
Explanation in limerick form.
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