> I think the LED scene is more wild west in nature. Some LEDs
> have a very narrow wavelength so the color rendition can be
> weird.
Look for the color rendering index or CRI. It should be published for any
quality lamp and you can compare the number to your old bulbs. I looked up
some F96T12HO/CW bulbs and they say CRI 60, while the LEDs I got have a CRI
of 80. 80 still isn't great, I wouldn't want to use them for photography
lighting, but it's pretty good. (100 is perfect)
> Another thing to consider is when the LED elements either
> burn out or go bad, do you have to replace the whole fixture
> or can you find just the lamp.
I have not seen an LED fixture that had replaceable LEDs. But with a
typical advertised lifetime of 50,000 hours, do you really need to replace
just the LEDs? If you run them 8 hours/day, 7 days/week, that works out to
about 17 years. By then, they will probably have better lights anyway.
> I remember the first of the
> compact fluorescents that had a screw in ballast and then a
> 2-pin or a 4-pin tube that would get pushed into the ballast.
> I bet those things are now considered unobtanium. (Which is
> probably a good thing - they were horrible)
I had some of those; but the ballast died before the third bulb did. Think
I've still got a couple of bulbs, but the bare bulbs cost more than a bulb +
ballast does now.
-- Randall
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