On 07/11/2020 18:47, Jeff Layman wrote:

I replaced a 70W sodium with a 30W LED and it seems to be much brighter.

Strange, unless the 70W sodium was on the way out. When new, the latter
gives around 5000lm, compared to less than 3000 for a 30W led.


It wasn't on it's way out. But yes, it is strange. It could be
perception; yellow light versus white light.

Bill