Moiré disaster on the E-5

Started Jul 10, 2013 | Discussions thread
Barry Stewart
Veteran MemberPosts: 8,433Gear list
In reply to John Sheehy, Jul 12, 2013

John Sheehy wrote:

Your resizing software sucks or has the wrong settings. It is point-sampling, a good tool for a few select applications, but not for general image resizing.

I agree, iPhoto is good for a few select applications. I see no user-settings that would help it. I was also seeing this wood grain in PS Elements.

What is an alternative to "point-sampling?"

Your original is slightly aliased. Bad software/settings exaggerate that exponentially. You would have had no problem, for instance, had the original been shot at an f-stop with significant pixel-level blur due to diffraction, or a soft, wide-open lens.

It was the ZD-50, at F/3.5, which is about as loose as I'd want to shoot portraits, as the depth of field is very unforgiving if I shoot any more open (nose in focus, eyes not, for example.)

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 Barry Stewart's gear list:Barry Stewart's gear list
Olympus C-5060 Wide Zoom Olympus E-1 Olympus PEN E-PL5 Olympus E-M1 Olympus Zuiko Digital ED 50mm 1:2.0 Macro +9 more
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