Digital BW, The Print

Thank you for the laugh!  Finally... a bit of humor in
this, by now very old and tired, "eyes vs meters"
controversy.

Michael Vendrell

--- Shilesh Jani <shileshjani@...> wrote:

> I am a jestful mood today. But, once calibrated,
> some paper/ink 
> combinations would make pretty good cumulative light
> meters.
> 
> This is fun!
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com,
> "Greg" 
> <dfaprinting@y...> wrote:
> >
> > I know there are a few meters that work in
> conjunction with a 
> > computer, so in theory you could monitor the
> amount of light during a 
> > very long interval. Check the Jensen tools
> catalog, they used to 
> > carry things like this. Also in theory you could
> calibrate either a 
> > photovoltaic cell or a photoresistor and an A to D
> converter to 
> > report back to a computer. You could also set up
> some photovoltaic 
> > cells to run an hour meter, the lower the voltage,
> the slower the 
> > meter runs, the higher the faster (etc.). To do it
> correctly, you 
> > also need to know the spectrum of the light in
> addition to the 
> > amount, now you are talking much more money.
> >
> 
> 
> 
> 
> 


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