Brevor
Member
Thats the first step for filtering IR, but the sun puts out lots of energy in the passband of an IR filter.I use the photo transistors with a IR filter. They are not clear but black. This blocks the visible light. Really helps.
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Thats the first step for filtering IR, but the sun puts out lots of energy in the passband of an IR filter.I use the photo transistors with a IR filter. They are not clear but black. This blocks the visible light. Really helps.