Sorry, I'd switched to the side of the visible spectrum because a $2 webcam off ebay with its IR filter removed will pick up 830nm IR. That's what the AN/PEQ-2A

Sorry, I'd switched to the side of the visible spectrum because a $2 webcam off ebay with its IR filter removed will pick up 830nm IR. That's what the AN/PEQ-2A uses. CMOS sensors pick up all sorts.