Re: to test EI for color negatives

In article <1172257189.794670@[EMAIL PROTECTED]
>, ellis@[EMAIL PROTECTED]
 () wrote:

> In article <1172239708.847082.148380@[EMAIL PROTECTED]
>,
> Steven Woody <narkewoody@[EMAIL PROTECTED]
> wrote:
> 
> >does it mean that you think the zone I is the exposure which
> >produces densities on all dyes of a color negative add up to 0.1
> >plus base +fog ?
> 
> That'd be a good starting point at least. It's the same principle
> as black and white: you are looking for where the film starts
> responding to light.

Sounds good,.....

To the OP:

Be careful of equating transmissive values and actual density........

It might be a good starting point, but the dyes won't be a perfect .1 
because they transmit light differently. They spread out across the 
complete plot "family" .
-- 
George W. Bush is the President Quayle we never had.