Liquidstone Offline Upload & Sell: Off
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PetKal wrote:
Romy, I've seen it too in this shot, although I do not get that very often. Nothing we can do about that, I am afraid.
Well, having accepted that this phenom can happen with a wide open 2x II (it virtually disappears at 2/3 stop from WO, or smaller Av), I usually try to frame the subject such that elements with sharp lines will be as near to parallel to the focus plane as possible.
Of course, we can't always do that in the field at skittish subjects. So if the shot is made and the phenom happens, there are several techniques in PP to reduce its effect. This will depend upon an individual's taste on how far can one alter elements of the bird image.
Here's a sample routine to mitigate the effect - I selected the affected branches in the foreground and background and applied a mild selective blur.
Before the mild blur routine:
http://imageshack.us/a/img6/1993/wrsz.jpg
After:
http://imageshack.us/a/img821/7844/m1jc.jpg
Shooting info - Canon 1D MIV + 400 2.8 IS + Canon 2x TC II, 800 mm, f/5.6, ISO 1600, 1/320 sec, 475B/516 support, manual exposure in available light, near full frame.
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