I have such a tool. It's the EyeOne by Gretag Macbeth. But I don't have the software to show completely generic specta. I've used it with HFCR for home theater tuning (which can show white point).<br><br>I can bring it home from work Wed night. Let me know.<br>
<br>--chris<br><br><br><div class="gmail_quote">On Tue, Jun 17, 2008 at 8:49 PM, Wim Lewis <<a href="mailto:wiml@hhhh.org">wiml@hhhh.org</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">On Jun 17, 2008, at 4:34 PM, <<a href="mailto:alex@alexcphoto.com" target="_blank">alex@alexcphoto.com</a>> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
I recall some one having a gizmo that could fairly accurately measure the color spectrum of LEDs (presumably any light source)<br>
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Yes, I remember somebody brought a spectrophotometer by a couple years ago... digging through the archives, it looks like it was Chuck Harrison?<br>
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If you can figure out the original manufacturer of your LEDs, you might be able to get a spectrum from the data sheet (either for that specific LED or for all the LEDs they make with that process/material).<div><div></div>
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