Filter—B+W UV 010 UV (clear)

Graphs are in nanometers. Visible light is approximately 390 - 650 nm (the human eye can see very weakly into the 700-800nm range). Graphs used by permission of Coastal Optical System.

Buying filters

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Spectral transmission — B+W UV 010

This is what an ideal UV filter should do: pass the visible spectrum at with a nice flat transmission curve.

Be sure to get the scratch-resistant “MRC” version. Don’t waste your money on the “slim” versions which are a nuisance as well (lens cap won’t fit).

The B+W UV 010 MRC is my preferred protective filter for all my lenses.

Get B+W UV filters at B&H Photo.

B+W 010 UV filter