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Subject:	Re: light meter to LUX or footcandles conversion
From:	Dennis Lloyd <[log in to unmask]>
Reply To:	Museum discussion list <[log in to unmask]>
Date:	Wed, 13 Jan 1999 03:05:40 GMT
Content-Type:	text/plain
Parts/Attachments:	text/plain (16 lines)

Royce Bair ([log in to unmask]) writes:
> However, I have a need to convert the f-stop and shutter settings to
> either "footcandles" or "LUX" levels.  I need this conversion for some
> scientific testing I'm doing.

There is an article on this subject on our web site at http://magi.com/~wohler
Choose Resources, then PWA Online Publications. The tables of info are
from the Canadian Conservation Institute and the US National Park Service.
You will be able to determine if the procedure is accurate enough for your
purposes.
Cheers,      Dennis.
--
Dennis Lloyd                        | Affordable help for regional museums
Vice President and Senior Associate | (613) 256-4316  FAX (613) 256-7086
Pat Wohler and Associates Inc.      | http://magi.com/~wohler/

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