Filmscanners mailing list archive (filmscanners@halftone.co.uk)
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[filmscanners] RE: scanner dmax discussion
> From: filmscanners_owner@halftone.co.uk
>
> No: decades as in 90dB power range... ten to the ninth power. An
> octave is
> only a factor of two... 1::512 is very much smaller.
But a photodiode, given 9 decades of light range, produces 9 decades of
current, not 9 decades of power into a resistor, so that would be 180db, not
90db.
--
Ciao, Paul D. DeRocco
Paul mailto:pderocco@ix.netcom.com
----------------------------------------------------------------------------------------
Unsubscribe by mail to listserver@halftone.co.uk, with 'unsubscribe
filmscanners'
or 'unsubscribe filmscanners_digest' (as appropriate) in the message title or
body
|
