Clearly, he means specular reflection(s). If the gray card is perfectly matt, all reflections will be diffuse. Unfortunately, I have never seen a perfectly matt gray card.
I prefer to use my incident light meter. Regards, Bob.... -------------------------------------------------------------------- "Beer is proof that God loves us and wants us to be happy!" - Benjamin Franklin From: "Dr E D F Williams" <[EMAIL PROTECTED]> > If there is no reflection there will be no reading. > > From: <[EMAIL PROTECTED]> > > > Grey Cards are excellent. Used it yesterday extensively when shooting snow > > scenes to verify what I expected. Open up two stops. The key to using the > > grey card is simply to ensure that it is getting the same light on it as > the > > scene is getting. Pointing it little toward the sky sometimes gives you a > > better angle to get the same light on the card that is on the scene. > Because > > the cards are mat finish, there should not be any reflection, if there is, > it > > will throw off the meter..
