[GB ended,discussion only] CRI > 80+ NICHIA 2000K-6500K [E21A/219B/219C/319A/144A/757GT-F1(Optisolis)]

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clemence
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Nice Adam, glad you like it. In general the hotspot will always gets bigger with this quadtrix, which I find useful for headlamp application.
Beam shot(s) please =)

- Clemence

adam7027
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I placed the requested beamshots in an imgur album, please, take a look Smile

Beamshots available here

I added a Jaxman E2L (with default optics) to the comparison, just for further reference. I slightly decreased contrast of the images to let better examine the beam patterns.

 

Additional experiences:

Color rendering is lovely, to say the least. Some greens/yellows seem to be a little bit less outstanding comparing to what I have experienced with 5700K or 5000K 219C emitters, but the deep oranges and reds are literally popping out - I have never seen anything like this even with 219Cs. Cyans and deeper blues are also very good. On turbo, the light tint acquires a very slight additional purple/deep blue punch. While that is not bad at all, I still prefer to use the level one below turbo.

Regarding the low Vf: I can use a Panasonic NCR18650B button top in the emitter replaced light without any problem to get the most of mAhs out. While I noticed dropped lumens at turbo with the stock emitter even around 3.85V, I just checked the battery to read 3.46V, when I still didn't notice serious lumen drop (was able to fill the battery with 2335 mAh charge then).

I examined the stock optics, and had to admit, that there seem to be no serious flaws regarding optical efficiency, just because the emitting area is bigger, the candela/lumen ratio dropped further. I tried to find out, that the supplied optics whether has 45 degrees beam angle, or 60 degrees, but it is hard to tell, as there are not really any hard boundaries in the beam. Regardless of that, I will look for, and purchase optics with 30 degrees or less beam angle, just for any cases I would need bigger throw capability Smile

clemence
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UPDATE 180517:
For those pre-orders the High CRI Tiara C1 Pro (and some Wizard), please be patient. I’m still in the making. Below is one of the problem I’m facing:

Precise drill those VR16SP4 was not as easy as I thought. The ultra hard ceramic dulls my HSS-Co end mills in a single pass!

- Clemence

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Question about Nichia 219B SW45K R9080 & SW40 R9080

Do you guys think there are still demands for these LEDs? If yes then I’m thinking a committed group buy at reduced BLF price to get the last of it’s kind. These LEDs are discontinued already (you won’t find them at Nichia’s website anymore).

Please let me know….

- Clemence

ma tumba
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I’d have at least some sw40, always wanted to try them. The number depends on the price. Thank you Clemence!

clemence
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ma tumba wrote:
I’d have at least some sw40, always wanted to try them. The number depends on the price. Thank you Clemence!

At best I can get bring them at USD 2,5/pc Worst would be USD 2,7/pc. We’ll see if there’s clearance sale from Nichia.

- Clemence

alifpb98
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I always wanted more sw45k, can I buy it? Smile

clemence
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alifpb98 wrote:
I always wanted more sw45k, can I buy it? Smile

Not yet, my friend still checking it’s availability

ma tumba
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Clemence, have you ever tried mixing the yellowish sw40 and pinkish sw45? Would expect something quite neutral

clemence
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ma tumba wrote:
Clemence, have you ever tried mixing the yellowish sw40 and pinkish sw45? Would expect something quite neutral

No, never. But someone did that. I guess that was Jensen567

- Clemence

alifpb98
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Thanks for the info, please let me know if it becomes available.

Anyway, any info when 219c 5000k will become available again? Thanks.

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I put a 219B SW45K R9080 into a Zebralight H51w and it immediately became my favorite tint.

I’d buy a few more for sure. Thumbs Up

Slayer1
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clemence wrote:
Question about Nichia 219B SW45K R9080 & SW40 R9080

Do you guys think there are still demands for these LEDs? If yes then I’m thinking a committed group buy at reduced BLF price to get the last of it’s kind. These LEDs are discontinued already (you won’t find them at Nichia’s website anymore).

Please let me know….

- Clemence

I am in.

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OK thanks for the input. Here’s the GB thread: http://budgetlightforum.com/node/60638

- Clemence

maukka
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I tested the single E21A 2000K output. I assume this is the same D160 bin Clemence has for sale on his site and not the lower D140 even though it didn’t quite reach 160 lumens at 700mA. The emitter has seen some hard driving though.

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It’s D160 rated. The same LED as in the store. It has the thickest phosphor layer off all E21A. High CRI in candle CCT light comes at a price – very low efficiency.
That 157lm at 700mA still within the margin of error. D160 rated at controlled 25C Tj.
This is inline with Djozz built using the same 2000K E21A

- Clemence

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Has anybody shaved/de-domed a 219C 5000K R9050? How is the tint (yellowish/greenish?)? I have had a few of them laying around for my Noctigon Meteor for a while now, but I’m not so sure. It currently has de-domed 219B-V1s with 5000K. They are quite nice, but very inefficient.

adam7027
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Clemence, I need to say a big thank you again for these E21A emitters, and your additional service… and I think, that I need to be a completionist… Party

I just finished two more Skilhunt H03 emitter board swaps – one of them had a heck amount of glue among the threads, so it was nearly impossible to get that battery tube loose, but absolutely worth it.

The sm203 gives the perfect ‘just before sleep’ tint, and it will be very useful for not losing dark adapted eyesight. Probably I will take the chance to order one of the new rechargeable (RC labeled) Skilhunt H03s to check that if I could perform the same actions, because I will definitely need this tint, when I am out in the field for watching meteor showers (or other activities, when only a powerbank is available as battery runtime extension), for taking notes.

The sm403 gives a little bit more complete color perception compared to the sm503, but bluish colored objects become somewhat less pronounced. This tint gives a very relaxing reading light.

I would like to ask if you consider adding the sm453 tint to your emitter lineup, because mixing tints would give more rosy result, and this emitter family seems not to be ‘suffering’ from being too greenish/yellowish. Based on Maukka’s measurement, the sm503 is a rather a 5300K one, so the sm453 could be a(n almost) perfect reference-worthy neutral white (not counting in the Optisolis, which has currently limited power).

clemence
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Yes, already prepared for more complete line up. Especially the 4500K

- Clemence

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Bad/Good news from Nichia:

- There’s a problem with E21A R9080 production for these CCTs: 2000K, 2700L, 3000K, 3500K, 5000K, 5700K, and 6500K. So they’re not available until further notice. Only < R9050 available, and I’m not going to order anything less than R9080.
- Plenty of sm403 and (normally hard to get) sm453 both in R9080.
- I ordered small quantity of 144AR sm453 R9050 and the special 144AR sm563 R9080.
- Full range Optisolis (2700K, 3000K, 3500K, 4000K, 5000K, 6500K) rfg00/rfh00, rfc00, all 3 steps)

- Clemence

staticx57
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More bad news:
My bank account

adam7027
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staticx57 wrote:
More bad news: My bank account

Same issues here, pal… (will make further orders, nevertheless)

That 6500K Optisolis is highly tempting

djozz
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adam7027 wrote:
staticx57 wrote:
More bad news: My bank account

Same issues here, pal… (will make further orders, nevertheless)

That 6500K Optisolis is highly tempting


more bad news: dying from starvation, already sold children and kidney. (will make further orders)
Lightbringer
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djozz wrote:
more bad news: dying from starvation, already sold children and kidney. (will make further orders)

See? That’s what you did wrong. You gotta part out the kids first, before selling them.

09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0

adam7027
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By the way, I have seen somewhere a nice quad build of Optisolis, mounted on a slightly modified d=16mm XM footprint PCB.

If I would like to build one, which is the maximum suitable current for them?

clemence
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Lightbringer wrote:
djozz wrote:
more bad news: dying from starvation, already sold children and kidney. (will make further orders)

See? That’s what you did wrong. You gotta part out the kids first, before selling them.

djozz wrote:
adam7027 wrote:
staticx57 wrote:
More bad news: My bank account

Same issues here, pal… (will make further orders, nevertheless)

That 6500K Optisolis is highly tempting


more bad news: dying from starvation, already sold children and kidney. (will make further orders)

Stop it please, it’s horror… uugh Sick

clemence
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adam7027 wrote:
By the way, I have seen somewhere a nice quad build of Optisolis, mounted on a slightly modified d=16mm XM footprint PCB.

If I would like to build one, which is the maximum suitable current for them?

http://budgetlightforum.com/node/59478

- Clemence

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clemence wrote:
Stop it please, it’s horror… uugh Sick

But the high-R9 really shows off the red.

09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0

alberto7
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There is any specific PCB for Optisolis?

I want to mod a festoon led car and think in this led cause are the best in cri

clemence
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Sick Ughh

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