SD1 Merrill vs SD Quattro, best for infrared?

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F8Mostly New Member • Posts: 10
SD1 Merrill vs SD Quattro, best for infrared?
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Hi,

I am looking into getting either an SD1 Merrill or an SD Quattro, mostly for infrared. I was wondering if the SD Quattro has as good a sensitivity in the infrared region as the SD1 Merrill (better, worse?). The SD Quattro has 4.9 megapixels sensitive in the red region while the SD1 Merrill has almost 15 megapixels sensitive in the same red region. I am not very clear as to how the various layers of the Foveon sensor react to infrared, for example, is the blue layer sensitive at all to infrared, to which I would answer no, but I am not sure at all.

Any info appreciated and if this has been talked about before, a link would help greatly.

Sigma sd Quattro Sigma SD1 Merrill
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