UV filter vs Polarizer filter

Started May 20, 2008 | Discussions thread
Steve Balcombe
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Re: UV filter vs Polarizer filter
In reply to henryp, May 22, 2008

henryp wrote:

GDi wrote:

A Polarizer usually reduces light by about 2 stops and helps
eliminate glare off shiny surfaces like water.

This is true, but: a polariser eliminates glare, first and foremost.

A pol filter reduces reflected light. A lens hood can help reduce or
eliminate flare.

Glare is light reflected off a subject; flare is internal reflection in the lens.

GDi's point was to clarify that the 2 stop light loss is a side effect, not the purpose of the polariser.

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