https://en.wikipedia.org/wiki/Incandescent_light_bulb#Light_output_and_lifetime https://en.wikipedia.org/wiki/Incandescent_light_bulb#Light_... Higher temperat

https://en.wikipedia.org/wiki/Incandescent_light_bulb#Light_output_and_lifetime https://en.wikipedia.org/wiki/Incandescent_light_bulb#Light_... Higher temperature = higher efficiency, but also lower life.