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Filmscanners mailing list archive (filmscanners@halftone.co.uk)

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RE: filmscanners: Re: Dynamic range

To: <filmscanners@halftone.co.uk>
Subject: RE: filmscanners: Re: Dynamic range
From: "Austin Franklin" <darkroom@ix.netcom.com>
Date: Wed, 31 Oct 2001 13:21:18 -0500
Importance: Normal
In-reply-to: <6vb0utcfvpur0srl46jii19s6rselmtig1@4ax.com>
List-help: <mailto:majordomo@lists.cix.co.uk> 'help' as msg. text
Mailing-list: filmscanners; contact: owner-filmscanners@halftone.co.uk

Logarithmic density ratio value (you asked...).  3.2 is 10 to the 3.2 power
or a density ratio of 1585:1.

I can explain in detail if you like.

> What is the dynamic range figure - i.e.3.2, 3.4 or whatever - a
> measurement of?  Or maybe I should ask, what is the unit of
> measurement?
>
>
> Ken Durling

References:
- filmscanners: Re: Dynamic range
  - From: Ken Durling <kdurling@earthlink.net>

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