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

I bought a modded light from Contactr and my measurements using the Sekonic C-800-U is pretty much the same as what he got with the ColorMunki Photo. I guess the only advantage of a portable dedicated spectrometer is that it is so easy to use and that it is portable and you can take it to your bedroom, living room, outdoors, to a store, etc.

Yes the downside is with mine you are tether to a device of some kind. PC/laptop/phone/tablet.

If you want something like the sekonic output you need $99 mobile app to get close.

It’s more of a color calibration tool stock but Argyll software brings that ambient sensor to life instead of Sekonic being portable and out of box suitable for ambient light.

Sorry, I meant, not guaranteed to be better than R8000. I guess you could buy a bunch, measure them, and bin them yourself.

I have the Xrite i1Display Pro. Is there any software or tricks I can use to utilize this device not just for monitor calibration?

You could probably get CCT but not any info about CRI since it’s a color meter not a spectral meter

How could I measure the CCT? Is there a way to do it with the i1Profiler?

You can actually hook up the ColorMunk/X-Rite devices to a phone and use ArgyllPRO to take measurements if you really want, but it’s $100 software and these devices are really not built to be used that way.

http://www.argyllcms.com/pro/

Put me down for 10 of the 4050e’s. Anything else coming along soon? I would rather pay shipping for more leds at a time than 10 of this and next week 10 of that…

Just trying to secure the 219b sw27/30 and 219c sm4050e at the moment. Other than those, I don’t have any other emitters coming along.

I’m interested in 10 pcs 219c sm4050e. What will be the price for them? Also, how much is international shipping?

I don’t have pricing on them just yet but my guess is around $3-4.
International shipping varies but you can PM me your shipping info for a quote.

That is my understanding.

However, it is also my understanding that most device manufacturers prioritize consistency versus a particular tint deviation, and if they are going to design to a specific tint deviation, they are likely to be conservative and prefer to stay close to the BBL.

Therefore, it is my assumption (but only an assumption), that emitters that are within 3 MacAdam steps of the BBL usually get sold in SM403 bins, meaning SM4050e bins should be less likely to contain SM403 emitters, and SM4070e bins should be less likely to contain SM4050e and SM403 emitters.

(1) Let me try a comparison table to help

219B SW45K 219C SM4050e* SST-20 FD2*
CRI 90 min 90 min 95 min
R9 Value 50 min 50 min No Spec
Ouput at 700ma 200 or 220 lm min 220 or 240 lm min 193 or 205 lm min
Tint at rated Current Very rosy Rosy?* Very slightly green to slightly rosy*
Tint at high currents Rosier Rosier? Rosier

* Most common bins (SM403, FB4 etc) have been reported to be slightly green

Based on BLF tests, it seems Luminus may be slightly more conservative than Nichia, so the output difference may be smaller than the specs suggest.

(2) There is a noticeable difference side-by-side. Not huge, but I definitely see the difference between the 3000K lights in my kitchen and the 2700K lights in my dining room.

(3) This really is a matter of preference to figure out on your own, but your attempt at balance makes sense

(4) Total Internal Reflection (TIR) optics seem to usually do a better job of smoothing tint out across the beam than reflectors. Reflectors usually produce a more defined hotspot and spill area that I find makes a versatile beam.

(5) As in the table, in many emitters, increasing the current tends to shift the tint to be rosier, but I don’t think this is universal to all emitter families.

(6) A PWM driver will have fairly consistent tint and efficiency within a single power channel. A current controlled driver will experience more tint variation, but should be more efficient at lower outputs.

Yes I’m aware of that particular sales thread but this group buy is for the r9080 variant.

UPDATE: Not making any promises but looks like the sw30 r9080 is very likely to happen… :slight_smile:

Awesome,
Please reserve:

8pcs sw30 r9080

Added.

Just so we don’t get our hopes too high on the 219B 3000K. I bought some NVSL219B-V1 sm303 D200 R9080 from LEDrise.eu and measurements I got in a Convoy S2+ triple on highest output:
CCT: 3372K
DUV: 0.0011
CRI: 95.2
R9: 84.5
Rf: 93
Rg: 102

It is above BBL so noticeably more yellowish than the SST-20 3000K or E21A 3000K. Maybe a lower output D180 would have produced a more rosy tint that we are all after. I’m hoping for the best since I’m on the group buy list but just letting everyone know. I would have more interest in the 2700K since that one is to date untested and might give us a pleasant surprise.

Yep I’m hoping the test results will come back favorable if my order goes through. Just awaiting confirmation right now.

My rep informed me that sw27 is unavailable at this time and there’s no projected ETA if those will be available anytime in the future so the outlook on that is dim. Sorry guys.

As for the 219c sm4050e, I’ve submitted my request and awaiting a response. Will followup by Friday if I still don’t hear anything.

I might also be getting a small batch of sw35 in addition to the sw30 if that comes through.

Can you ask for the sm4070e also?