Re: Disc brake maintenance tips

On Fri, 12 Jul 2024 09:27:55 -0400, Zen Cycle <funkmaster@hotmail.com>
wrote:

LED bulbs are sold in different colors and temperatures. It ins't
difficult to closely approximate your preference.

Look for the CRI (color rendering index) on the package. 
<https://en.wikipedia.org/wiki/Color_rendering_index>
See the charts under:
<https://en.wikipedia.org/wiki/Color_rendering_index#Typical_values>
for typical values for different lighting technology.  There are other
indexes besides CRI for color accuracy (GAI, CQS, CIE, CCT, etc). Some
LED bulbs do a good job of simulating the color spectrum of natural
light.  The cheap one's tend to be horrible.  For example, this
doesn't even come close to natural light:
<https://i.sstatic.net/UvbV1.png>




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Jeff Liebermann                 jeffl@cruzio.com
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