Quote Originally Posted by ic-racer View Post
Unless the moon or some clouds get in the way, the sun is a pretty constant light source.
Part of my thought is that it seems in theory that even an eclipse or overcast doesn't even matter.

The question becomes should I peg to the light or peg to the subject?

When "pegging to the light" subjects in the shade of an eclipse or the diffuse light of overcast should "look as lit", they will naturally print darker than front lit sunny.

Sure adjusting to say "the open shade 4 rule" artificially places the subject lighter, but is that what we really want?