49mm UV filters: refraction city

Started Sep 16, 2012 | Discussions thread
KM Legacy Senior Member • Posts: 1,955
Re: 49mm UV filters: refraction city

If by "turning a polarizer around," you mean turning it too a position where it has the least effect on sky or reflections, it will still act as a neutral density filter, blocking almost 2 stops of light. Who wants that? Also, a polarizer has more negative effect on IQ than a UV filter. You don't want to use a polarizer for protection.

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