Comments about B + W B + W 52mm UV (Ultra Violet) Haze Wide Angle Slim Mount Coated Glass Filter:
I didn't like the filter I had for my 50 1.8 so I got a wide filter. I think it made a little difference and I much prefer it to the cheap lens I had on before. Cons would be I can't use a proper canon lens cap and I can't use a hood.