Re: Headlight Hype? or Facts

[Huw Powell <human@nh.ultranet.com>]

> Due to a night emergency and a friendly reminder by the local gendarme, I
> installed an 80/100 H4 motorcycle bulb from the local chain auto parts store.
> You wonder why this one, well it was the closet match to the 85/110w PIAA bulb
> in the other Euro headlight.  Guess what.  There is no appreciable difference
> between them, at least sitting inside looking out with my uncalibrated
> eyeballs. 

The diff between a 80/100 and 55/60 bulb is only just discernable.  I
think light works a bit like sound, you have to quadruple the power to
get double the perceived effect.  85/110 is pretty much the same as
80/100, really.  A camera's light meter wouldn't be able to tell them
apart for sure.  (or is that "fer shure"?)

-- 
Huw Powell

http://www.thebook.com/human-speakers

82 Audi Coupe; 85 Coupe GT
http://www.nh.ultranet.com/~human