[pure-silver] Re: light for viewing prints
- From: Laurence Cuffe <cuffe@xxxxxxx>
- To: "pure-silver@xxxxxxxxxxxxx" <pure-silver@xxxxxxxxxxxxx>
- Date: Wed, 7 Nov 2007 09:37:30 -0500
Dim halogens by moving them farther away
Larry cuffe
Sent from my iPhone
On Nov 7, 2007, at 8:52, Claudio Bonavolta <claudio@xxxxxxxxxxxx> wrote:
----- Message d'origine -----
De: Shannon Stoney <shannonstoney@xxxxxxxxxxxxxxx>
Date: Wed, 7 Nov 2007 07:21:00 -0600
Sujet: [pure-silver] Re: light for viewing prints
À: pure-silver@xxxxxxxxxxxxx
How do you measure the "lux" part or set the intensity of halogen
lights?
--shannon
The tool to measure light intensity is called a "luxmeter" and you
can find some reasonably cheap ones, general models for ambient
lighting, which are sufficient for your/our limited usage.
Electronic stores have that kind of devices.
You should measure a light source at the same distance as the print
will be as light intensity decreases rapidly with distance.
"Way Beyond Monochrome" book gives some guidelines on light
intensity to view prints. I just don't remember the Lux values but
should be able to give them to you tonight.
You can dim a halogen light source with a ... dimmer, it's a very
common device available in all supermarkets.
But keep in mind that the more you dim a tungsten/halogen light
source the lower the color temperature resulting in a warmer tone.
That's not acceptable for color work and I would avoid it in B/W too.
If your light is to strong, use a lower wattage bulb but use it at
full power which gives a better color.
Claudio Bonavolta
http://www.bonavolta.ch
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