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[filmscanners] RE: IV ED dynamic range... DYNAMIC RANGE!


  • To: lexa@www.lexa.ru
  • Subject: [filmscanners] RE: IV ED dynamic range... DYNAMIC RANGE!
  • From: "Clark Guy" <guy.clark@sbt.siemens.com>
  • Date: Thu, 8 Aug 2002 10:23:12 -0500
  • Unsubscribe: mailto:listserver@halftone.co.uk

HI, Constantine!

I disagree--- if the competition insists on using bogus specs, you should
stay above that, and point out the fact that the competitor's specs ARE
bogus, and why.

Educate the consumer, don't try to BS us!   It's been tried before by all
sorts of industries, with generally bad outcomes in the long term.  (look at
the High Fidelity Audio community for example!)

Thanx!

Guy Clark

-----Original Message-----
From: Kapetanakis, Constantine [mailto:KAPETAC@polaroid.com]
Sent: Thursday, August 08, 2002 9:58 AM
To: Clark Guy
Subject: [filmscanners] RE: IV ED dynamic range... DYNAMIC RANGE!


You are right. The max optical density of our ss120 scanner as an example is
about 3.6~3.7. We measure this we a slide we made in house on Velvia film.
Each step on the gray scale is .1 density units different and we look at the
point of clipping as the maximum density.
 However, when Nikon starts advertising theoretical maximums of 4.2 ( 14
bits) then we have to start advertising the same way.

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