Re: film reflectance was Re: [OM] OM-2S and reciprocity failure

[Gary Edwards]

I've been wondering that myself, Tom.  My results certainly don't support that 
the difference in film reflectance
matters.  But a carefully controlled experiment remains to be done.

Gary Edwards

Tom Trottier wrote:

> Perhaps the angle of the reflection matters? So that the meter in the
> camera sees less variation?
>
> Tom
>
> On 1 Dec 99, at 15:02, Acer V <olympus@xxxxxxxxxxxxxxx> spoke about "film 
> reflectance was Re: [OM] OM-2S," saying
>
> > On Wed, 1 Dec 1999, Ian A. Nichols wrote:
> > :
> > :On Tue, 30 Nov 1999, Ken Norton wrote:
> > :
> > :> With various types of film, I too get variations in the 1-1.5 stop area,
> > :> but usually find that the OTF exposure is the more accurate than what the
> > :> viewfinder shows.  (Again, different patterns).
> > :
> > :That's weird - how does the OTF system know what compensation to give
> > :for different reflectance films?
> >
> > Uhm, haven't we been through this one before, with GReese posting
> > reflectance of films here, and the consensus being they're all very close
> > to each other?
>
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