Search found 3 matches

by Rnickl
Tue May 04, 2010 4:57 pm
Forum: Equipment Discussions
Topic: Color aberrations
Replies: 18
Views: 13753

I've been out for a few days and it looks like the thread developed a bit in my absence. Also turning out to be more interesting than I though it would be. Thanks a lot for the sample shots Rik. Much appreciated! "Some SEM shots would tell us" SEM? I'm not familiar with the acronym. Can someone clue...
by Rnickl
Fri Apr 30, 2010 9:53 pm
Forum: Equipment Discussions
Topic: Color aberrations
Replies: 18
Views: 13753

Thanks for the input guys.

Yes Rick, more diffuse light solves the problem. This was harsh mid-day sun with a bit of fill flash. Had I used full flash I doubt I would have seen the problem.
I suppose that points it to the prismatic effect of the fly.

Rick
by Rnickl
Thu Apr 29, 2010 7:04 pm
Forum: Equipment Discussions
Topic: Color aberrations
Replies: 18
Views: 13753

Color aberrations

First post but I've been lurking here for a couple years. Plenty of you folks seem to have an excellent handle on optics so I thought I'd finally have go at a post here with a question. Anybody know what causes the RGB rainbow "halos" in bright specular highlights? They can't be seen by eye or throu...