1 Answer. Lumens do add up. So if you have one n lumen flashlight and another m lumen flashlight the total luminous flux will be n+m.
Does 2 light bulbs double the lumens?
FACT #1: There is no direct conversion from Watts to Lumens.
Sure, higher wattage bulbs give off more Lumens, but two LED bulbs with the same wattage can give off different amounts of Lumens depending on how efficient the bulb is. ... Generally, a 60-Watt incandescent bulb emits an average of 800 Lumens.
How can I increase my lumens?
Increasing Lumen Output
- Clean your projector's lens. ...
- Vacuum your projector's air intakes and exhaust ports, or, if has a removable air cleaner, remove it and clean it. ...
- Turn up your projector's lamp level. ...
- Put your projector in its brightest output mode. ...
- Replace a projector bulb that is nearing the end of its life.