poor image quality on Polariser shots
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19-07-10, 11:07 AM
Join Date: Jul 2009
Hi Steve, welcome to the forum
There are a couple of things that might be at fault. Firstly, the 7 Day Shop filters aren't great. I've got a couple of different sized ones and frankly they don't really seem to do a lot other than make the image slightly more blue or slightly more yellow. I noticed that they don't actually seem to act properly when trying to remove reflections off water (which they just don't do!).
Focus-wise, there is one important question - does the lens focus OK (or do the shots look OK) without the polarisers? The 28-300mm isn't a particularly sharp lens at the best of times so it's worth checking that it's not just the inherent softness of these types of lenses.
It's possible (but unusual) that the polariser is throwing off the AF system. It's pretty uncommon though (for a circular polariser).
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