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Digital BW, The Print

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Re: [Digital BW] Re: more paper news

2006-02-03 by Steve Kale

Helen - you sinner.  No numbers and complicated formulae!


> From: helen_bach2003 <helenbach@...>
> Reply-To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Date: Thu, 02 Feb 2006 22:29:36 -0000
> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Subject: [Digital BW] Re: more paper news
> 
> I haven't noticed an answer to this one, so I'll ramble on about it.
> 
> The equivalent of lux is foot-candle, also called lumens/ft^2. As lux
> is lumens/m^2 the conversion is simple: 1 foot-candle is 10.8 lux,
> though most of us just call it 10.
> 
> Yes, cine meters, including the cine version of the 508, often measure
> in lux. However, it is easy to convert.
> 
> With the meter set to EI 100, and used in incident mode, for most meters:
> 
> Lux = 2.5 x 2^EV 
> 
> Best,
> Helen
>

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