Re: Matching luminances (cd/m2) using Light Meter
Re: Matching luminances (cd/m2) using Light Meter
- Subject: Re: Matching luminances (cd/m2) using Light Meter
- From: Roger Breton <email@hidden>
- Date: Wed, 20 Oct 2004 18:19:01 -0400
>
> In a message dated 10/20/04 12:41:32 PM, email@hidden writes:
>
>
>
> Can a light meter such as the Sekonic L-508 be used to determine the
> luminance coming from a laptop (which only has slider brightness
> adjustment without numbers) and also the ambient conditions in trying
> to match these levels?
>
>
> No, the type of light the meter is sensitive to and the type the screen emits
> are not the same, among other problems. Lets just say the frequently conceived
> of idea of using a photographer's light meter to determine *anything* about a
> computer monitor (except maybe whether its turned on or not) has a boatload of
> reasons for not working.
>
> C. David Tobie
But there is a relationship between illuminance and exposure.
Regards,
Roger Breton | Laval, Canada | email@hidden
http://pages.infinit.net/graxx
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