In Part 1 of this discussion, I explained my current foray into digital infrared (IR) photography and used the Sigma SD1M as my camera of choice. My reasons for choosing the SD1M are the user-friendly removal of the IR blocking filter, and the fact that I currently use the SD1M in my color art photography work. I like the Foveon sensor of the SD1M very much and if you want to use a Foveon sensor, you will have to use a Sigma camera.

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