NiSi makes one of my favorite photographic accessories, namely the immaculately engineered NiSi NM-200s Macro Focusing Rail. The company also has various other product lines but is perhaps better ...

I have a circuiar polarized filter for my S1 IS. I was told to get a UV Haze filter to cut out pollution. What is the difference? The circular polarized filter cuts out shiny surfaces. Can they be ...