Pila GL4,

Left column on 4xCR123A batteries - 195 lumens
Right column on 2x18650 batteries - 130 lumens (Pila 168A equiv)
all cells fresh out of the box or off the charger.

f4.0, full wide (35mm equiv), daylight WB, iso 64, full manual.

beam becomes yellowish on 18650 cells. 2 second shots most indicative of 'wys' with adjusted eyes. about 25-30 yards to the photocopier at end of hall.