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Date: | Mon, 9 May 2011 19:58:19 -0700 |
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We use both variable halogen and led light sources on our microscope
cameras. The halogen tend to give a yellowish appearance to the
pictures and we use the camera contols to blue it out to a more true
color. The led light source is on a slightly different camera with a
fixed iris, on this camera the LED tends to blind the camera, it does
however give a very true color although most of the time we have to run
it on minimum. The LCD cameras are very sensitive to the lumins you
feed them, so a little goes a long way, even the halogen will blind the
camera on the newer circuit boards (lighter background), the halogen
cameras have auto iris, unfortunately they are not available in manual
(which I would prefer).
Pat Goodyear
Control technician
Pacific gas and electric
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
Sent: Monday, May 09, 2011 9:17 AM
To: [log in to unmask]
Subject: [TN] LED Microscope Ring Illuminators
Hi All,
Do any of you use LED microscope ring illuminators? Good or bad?
I know it's a cooler temperature light than halogen illuminators, but I
like what they claim life of the LED's are, 50,000 hours vs. 1,000 hours
for a halogen lamp.
I've never had the chance to use one, and I'd be interested in what you
think of them.
Thanks,
Steve
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