Light Research

[quk@sievers.com (Phil Payne)]

In message <970121114159_1344769436@emout19.mail.aol.com> STEADIRIC@aol.com writes:

> >Compare light readings at 100 yards and 200 yards from vehicle 
> >(if you want to get fancy, do botha  direct reading and one of light 
> >reflected from a white card 1 meter square, which is the 
> >specification for measuring both lux and lumens, if I recall 
> >correctly (harumph, harumph...)

> If your going to so this, use a standard Kodak 18% grey card.  A white 
> card can have too many variables. (I use 8 different types of white cards 
> for bounce sources depending on the look that I want.)

Oops! I was going to cheat and use the Lunasix's incident light dome!
 
--
 Phil Payne
 phil@sievers.com
 Committee Member, UK Audi [ur-]quattro Owners Club