I just ordered a bunch of 880 nm IR illuminators from Kingbright, to test next week for DI (Diffused Illumination).
Infra red LED cluster ø 26 mm
BL0106-15-2x
* LED clusters equipped with 15 IR LEDs
* Waterproof casing for internal and external applications
Operating voltage Typ. 7.0 V...max. 7.4 V
Operating current Typ. 90 mA
Diameter 26 mm
Radiant intensity 8 mW/cm²
Temperature range -25...+60 °C