ISO 200
Shutter Speed 2Sec
Focal Length 24mm (Manual Focus Lock)
Aperture f3.5
Light Source to Wall 6feet.
Wall Colour Light Green(More towards White).

Contenders:-
Surefire L1 Digital Lumamax, 1xSF123 (Primary), 2 stage, 1.1/22 Lumens.
This is the fifth generation with the round body and newstyle TIR optics