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Canon EOS 7D
1/60s f/5.6 at 35.0mm iso1600 full exif

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Lensrentals13-Nov-2013 13:18
I wanted to see the difference in anti-reflection coatings for myself. I had a selection of Hoya UV filters so came up with this simple test to see how they compare. Simply reflect a light and see what comes back.

Top left: UV(0) HMC
Top middle: UV HD
Top right: UV(C) HMC
Bottom middle: UV(N) HMC
Bottom right: UV uncoated

I hope you'll forgive my lack of control of the exact angle of reflection which means I'm not strictly testing the coatings in exactly the same way.
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