WTS/GB: NICHIA 219B NVSL219BT-V1 R9080 EMITTERS! sw45k, sw40, sw35, sw30

Why do you think tint is a seperate variable? CRI is a measurement of a light source against an ideal black body. Tint is shifting away from an ideal black body. IE a 100 CRI light source would have a DUV of 0

because in a post I cant find yet, maukka educated me that there are low cri lights that have tint on the BBL

as a rough example, consider an LH351d whose tint is closer to the BBL than an sw45k, yet the sw45k has higher R9 CRI

tint happens to both low CRI and High CRI… my understanding so far, is that how close tint is to the bbl is not linked to how high the CRI may be… im open to a better understanding if Im mistaken

Ive been wrong before, when I though I might be mistaken… lol

CCT, Y axis, affects how the CRI computed. Lower than 5000K (to the right from at Y axis) use black body radiator as reference. And higher than 5000K use D50 or D65 as reference.
Duv (tint), X axis, affect the tint (yellow, blue, magenta or green) within the same CCT.
There’s certain threshold where duv or tint is considered acceptable. Above or below 0,005 (forget what is the correct standard) is usually considered to be non standard or special color bin. AFAIK, Maukka mentioned about this somewhere. That light source’s CRI with duv too far off the BBL can’t be calculated. Or becomes meaningless.
Nichia has several duv bins for these non standard tint. Sw45k, and Rs30 for example.
Nichia also don’t mention CRI value for Rs30 and the likes.

[Clemence]

All else being equal proximity to BBL matters but in reality the spectrum will be different too.

To illustrate this :


(Source)

UPDATE: sw30 and sw35 are arriving today. All those that expressed interest have been PMed.

PP sent!

UPDATE: I have 35 pcs of sw45k available. First come first served.

I’ll take 10pcs sw45k

I’d like 6 sw45k.

I want to purchase 6pcs sw45k please

I’ll take the rest of the sw45k. (13 pcs?)

UPDATE: Out of sw45k. Will try to get more in the future.

Thank you very much for doing it for us. If not you I would have no opportunity to purchase these gems.

Payment sent. Thanks!

UPDATE: Added some new test results from today for a better comparison between various emitters and bins:

I compared my FW3A SST-20 FD2 to my modded FW3A SW40. The Nichia kicks ass with the tint, by far. It obviously has less throw, but I prefer the more floody beam anyway. It’s a triple after all… The SST-20’s will be replaced by SW35’s when they arrive.

Are you sure that is the SST-20 FA3 bin? How were you able to obtain those? Also FA3 shouldn’t be that green. That duv looks like it is FB4 tint.

I was hoping the SW30 would be rosier than the SST-20 3000K. I measured SST-20 3000K at –0.002 with carclo triple optics at high output modes. What kind of current were those DUV measurements taken at?

I traded a fellow member some of my 219b for the FA3. He said they were obtained direct from Luminus. Maybe it was a bad measurement but in person, I don’t see any green. Looks very nice actually.

These tests were done at the 2nd power level for the Lumintop Tool AA. They were measured about 12 inches from the head. Most measurement values are around 700 lux with the exception of the SST-20, which was closer to 1200 lux.

I have a few 3000K SST-20’s from a gb on BLF that are supposed to be HD2 bin, but at low to medium currents they are greener than the 3000K LH351B’s * that I also got from a gb on BLF. At high current, around 1.5A, they go rosy beautiful tint. I think the SW30’s will be a better overall tint performer just by the performance of the SW40 vs SST-20 FD2.