Quote:
Originally Posted by Terry B
I've taken spectra of LEDs hoping to find emission lines to use as a cheap source of calobration lines. Unfortunatelly they all have a broad continuum so would be as difficult to filter out as incadescent globes.
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Exactly, especially since they're shooting for high CRI. The higher the CRI the closer to a continuous (incandescent) spectrum the light becomes.
That'll be the end of LPR filters. Hopefully the overall reduction of light scattered into the sky will make up for this.
Cheers
Steffen.