Polarizer for 20 mm 1.7

Started Feb 8, 2013 | Discussions thread
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tjdean01
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Polarizer for 20 mm 1.7
Feb 8, 2013

Or a Haze or UV filter?  Necessary?  Highly improve the picture? Better contrast?  Cheap enough to use in place of a lens cap?  Cheap ones on Ebay any good or do they drastically reduce sharpness?  What's a good brand if I did buy one?

Thanks again you guys are great!

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