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Old 14th January 2009, 03:59 PM
lee l lee l is offline
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The B+W 081 is a good close equivalent of the 470. It's shifted blue a bit relative to the 470, >50% transmission between 360 and 540 nm, so it passes a bit less yellow-green and more UV. Looks like a good choice if you find it more readily than the B+W 470.

Lee
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