backlight for transmissive profile patch reading with i1Pro3 plus
backlight for transmissive profile patch reading with i1Pro3 plus
- Subject: backlight for transmissive profile patch reading with i1Pro3 plus
- From: Peter Miles via colorsync-users <email@hidden>
- Date: Tue, 12 Sep 2023 06:00:00 +0000
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- Thread-topic: backlight for transmissive profile patch reading with i1Pro3 plus
I have been looking for a backlight for reading transmissive profiling patches
with an i1Pro3 plus.
I have not been able to find much in the way of recommendations in the web
searches I’ve done.
And in my country, there are not many stores that stock them.
I have found two LED backlight pads that I’ve been able to inspect. A Kaiser
slimlite plano and an Autograph A920 LX.
I took some measurements with a spectrometer and SpectraShop software.
Both backlights are broad spectrum. So that is good.
However, I am concerned about the blue light output.
One has no blue light output between 400 and 420nm and very low blue output
till about 440nm.
The other is a little better, but still with little or no light output between
400 and 430nm.
Both have light output at just over 1000 lux.
Question.
I’m guessing that the no/low blue light is not good? Or does that not really
matter?
Is the no/low blue light output just the nature of white LED backlights?
Can anyone recommend or use a particular brand and model of backlight for
i1Pro3 Plus?
Your help appreciated as always
Thanks
Peter Miles
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