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Title: Junk, severe ghosting
Review: I experienced severe ghosting when a light source was in my viewfinder with this filter on my Tamron 17-50 f/2.8 and Canon 50 f/1.4 prime (both using different sizes of Tiffen UV filters). removed the filters and the ghosting immediately went away. I replaced with premium, coated Hoya filters and have no issues. It's strange because I didn't experience this problem on a Tiffen UV filter I bought 3 years ago.
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