OK I think I understand a little more. But let's assume all things being equal - let's just say for the sake of argument that this H4 and 1000w HPS are mounted in the same shape of reflector. Could the H4 hold a candle (pun intended) to the 1000w HPS?
I agree - the terminology used by...
Hi,
sorry to intrude - I just found this forum, and you all sound like smart fellas when it comes to lighting. I'm hoping that I can get some more info about this 15M Thor thing. Is it possible that this light can produce 10 times the light of a 1000 watt high pressure sodium with less than...