Odd Swirls in Pictures

RH
Posted By
Rebekah_Herndon
Apr 3, 2007
Views
375
Replies
3
Status
Closed
The portrait studio where I am employed recently made the switch to being completely Digital. For the most part, the switch has been smooth and without issue. However, we recently ran into a problem where strange swirls appear in the fabric of blue clothing. It has happened on more than one person in more than one situation. Two of them were in studio, the other one was on location at a school photo shoot. One of them was shot in RAW format, the other two in JPEG. No matter what, the swirls are always visible in Photoshop CS2 and CS3. In one case, the swirls were not on the printed product, but, in the other two cases, the swirls were on the print. We even had our One Hour Lab try to print with the same results. The swirls are not always visible in other programs, but always show up in Photoshop. Has anyone else expereinced this? Does anyone have a solution to this? It is not on a certain type of fabric, but it is almost always on the color blue. The Photographer shoots with a Nikon D200.

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B
Buko
Apr 3, 2007
Its Moiré The pattern of the cloth is conflicting with the pixels.
JJ
John Joslin
Apr 3, 2007
The effect is sometimes made worse by viewing images at other than 100%.

In fact very often they disappear at 100%.
DR
Donald_Reese
Apr 3, 2007
Rebakah, i find it hard to believe you are seeing a moire with that camera. i own it as well,and it has one of the stronger anti aliasing filters built into it to avoid these things. i wonder if you have sharpening cranked up in camera and further photoshop sharpening may be compounding it. i have never seen it on anything i have shot with that camera. maybe a sample here via pixentral will shed some light on it.

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