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Old 15-03-2013, 11:39 PM
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Octane (Humayun)
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Join Date: Dec 2005
Location: Canberra
Posts: 11,159
The smearing in the trees is a result of them moving about between exposures. It's combined the pixels using a median or lighten combine algorithm. What's happening is that you're getting 50% tree and 50% sky (or, movement) summed together.

It's a pain in the butt -- it helps to have trees further off in the distance when you compose so that their movement is minimised.

But, yes, combining an exposure where the trees didn't move, with the trails image should be a very simple exercise to do.

H
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