Currently, I'm retrofitting my IKEA flying saucer 12v MR16 system with high CRI MR16 LED bulbs. There's a lot of these 12v systems around; they are easy and flexible to set up, and many of them can be adjusted--they are cheap and easy, and the halogen style bulbs were actually pretty good, although not a lot of light.
On Amazon, I found these:
https://www.amazon.com/gp/product/B00QIF829C/
They aren't cheap, but the light quality is very good so far, supposedly CRI 95.
You can also use these lights in 12 volt situations, like off grid, campers, back yard studios, etc.
You can check out the specs on their website here:
https://www.soraa.com/products/25-MR16-Constant-Current
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