1. Camera scanning (negatives), spectral lighting testing, Dynamic range tests
  2. Spectral analysis of different light sources

Spectrum 9

Comparison Cree 60w TW high CRI LED bulbs. The first one was delivered on Dec 2, 2014. The second one was delivered on June 30, 2015.

Both have a CRI that is greater than 92. The first one shows a characteristic neodymium notch (that reduces yellows) The newer once achieved high CRI without needing neodymium.
Read More
Dec 2014 Cree TW bulb on the left.  June 2015 Cree TW bulb on the right.
1 / 7

Dec 2014 Cree TW bulb on the left. June 2015 Cree TW bulb on the right.

  • Dec 2014 Cree TW bulb on the left.  June 2015 Cree TW bulb on the right.
  • Cree 60w TW soft white LED, delivered Dec 2, 2014
  • Cree 60w TW soft white LED, delivered Dec 2, 2014
  • Cree 60w TW soft white LED, delivered Dec 2, 2014
  • Cree 60w TW soft white LED, delivered Jun 30, 2015
  • Cree 60w TW soft white LED, delivered Jun 30, 2015
  • Cree 60w TW soft white LED, delivered Jun 30, 2015
  • No Comments
  • Photo Sharing
  • About SmugMug
  • Browse Photos
  • Prints & Gifts
  • Terms
  • Privacy
  • Contact
  • Owner Log In
© 2021 SmugMug, Inc.