[pure-silver] Re: what speed do you rate HP5+ at?

I think this is a bit harsh on film manufacturers. The 'claimed' speed is
correct under the conditions of the standard applied. IMHO, the standard
test is not very representative of fine-art quality requirements, but that's
a different story.





Regards



Ralph W. Lambrecht







On 2/25/05 5:05 PM, "Len Eselson" <leneselson@xxxxxxxxxxxxx> wrote:

> When evaluating film manufacturers' speed claims, remember that
> they compete with each other. One of the factors of comparison is
> film speed, just as auto manufacturers compete on engine horsepower, size,
> and gasoline economy.
> 
> You should no more expect that you will achieve a claimed film speed,
> than you will achieve a claimed gasoline consumption rate. On occasion
> it might happen, but that is not the norm.
> 
> Len Eselson
> 
> 
> 
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