B+W 37mm MRC Clear UV Haze (010) Filter
The B+W 37mm MRC Clear UV Haze (010) Filter blocks the invisible UV component of light from the sky, which can cause blur and a blue cast. UV Filters are ideal for photography in high altitudes (in the mountains), by the sea and in regions with very clean air. Because the glass is colourless, colour rendition is not altered, aside from the elimination of the unwanted blue cast, and no increase in exposure is required. That makes a UV Filter very suitable as protection of the front element of the taking lens against dust, sand, sea water spray and the like, and it can be kept on the lens at all times.
Price: £37.99 from Wex Photographic