You cant be serious....  125 years of continous product
development has made today's 2004 films/processes better in just
about every parameter you can imagine and much
faster film speed to boot. I bet todays best 400 color neg films
smokes the 100 speeds of the 60's let alone match it and
that is only a 30 year old film not a 125 year old film.

I do not agree that the goal of film product engineers
is to just improve speed. Their goal is to improve the
film in every parameter they can. So if we have a new
film with different spectral characteristic that is 
actually wider ( ala pan film vs ortho ) or more accurate
some might complain the new film isnt exactly the same as the old one
and
they probably are right, its most likely BETTER.

JCO


-----Original Message-----
From: William Robb [mailto:[EMAIL PROTECTED] 
Sent: Sunday, October 24, 2004 7:16 PM
To: Pentax Discuss
Subject: Re: B&W developers and Tri-x ??



----- Original Message ----- 
From: "J. C. O'Connell"
Subject: RE: B&W developers and Tri-x ??


> It has already happened probably hundreds of times over the last
> 100+ years!

Examples please, stating specifically which samples, and including full
information regarding grain structure, colour response exposure slope
and RMS granularity. Lets get specific and prove what we say, rather
than arguing for the sake of ego.

William Robb


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