UV Filter causing artifacting and blur, normal?

Started Sep 25, 2011 | Discussions thread
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anibyte Junior Member • Posts: 26
UV Filter causing artifacting and blur, normal?

Hey guys and gals

So I just got my lens back from the shop (it was soft) and I did some test shots and it looked great even at 100%, but then I threw my Henrys 67mm UV Filter ( http://www.henrys.com/2550-HENRYS-67MM-UV-FILTER.aspx ) on it and noticed it wasnt nearly as sharpm and there was some artifacting.

A lot of my friends who are professional photographers use filters on all their lenses for protection, so I cant imagine all filters do this, but apparently mine does, is this normal?

Top is naked, bottom is with filter

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