Trying out the new Black & White adjustment layer in Photoshop CS3 beta. A little more control than the Channel Mixer. Here is the other one where I used the channel mixer.

model   Canon EOS 5D
aperture   f/16
focal length   170 mm
exposure   0.025 sec (1/40)
iso speed   200
flash   Flash did not fire
exposure program   Aperture priority

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