Originally Posted by Bill Burk
Ah, well then we can easily talk about an ISO 125 film and be on the mark.
It is odd that Weston would have two scales, but it coincides with the old confusing charts and our experiments.
Not really Bill. But OKay it's close enough.
If we talking about ISO 125 film then the light level for EV15 is less than the 4096 Cd/m^2. The Sunny 16 light level should still be 3251 Cd/m^2.