Noctigon K1 info / review

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maukka
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Here’s another sample for a white flat. Yep, very much on the magenta side.

Tint in different parts of a beam (SMO reflector)

Tint on different outputs (PWM at ~16kHz)

Yokiamy
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djozz wrote:
Quote:
 the narrow spot means you only get to see one small area at a time

I have a White Flat (actually a KW CULNM1-TG, the 4×4mm version) in a GT-micro and had it with me camping this summer. Even in this small light the hotspot is so narrow that following a trail is very difficult. The K1 should be much worse for that.

About the very cold tint, the White Flat does that when close to its maximum output but visually it still looks good. Going higher with the current does give you a nasty purple tint, but that is a even higher CCT than the 8500K that I measured.

I have the 1mm in my L21A and i can confirm that. The throw is stunning, but its more fun than actually useful.

That’s exactly the reason is skip this one (despite the fact that i would really like to have one) and wait for tge XHP35 version.

I might however just buy one of the Osram types, to convert it later on

DB Custom
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I have several of the 1×1 White Flats already, and I have plenty of lights that hit a mile or more in throw. I really like how this K1 is made though and may wind up with an 351D in it just because I like this emitter, or even the new neutral tint SST40. (Liking the thought of the new 40) Sure will be more useful in a broader range of needs with a larger yet well defined hot spot… we’ll see. Smile

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Once Hank releases the other LED options and my bank balance builds up again from the Black Friday/Cyber Monday damage I’ll definitely have to pick this up.

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Yokiamy
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DB Custom wrote:
I have several of the 1×1 White Flats already, and I have plenty of lights that hit a mile or more in throw. I really like how this K1 is made though and may wind up with an 351D in it just because I like this emitter, or even the new neutral tint SST40. (Liking the thought of the new 40) Sure will be more useful in a broader range of needs with a larger yet well defined hot spot… we’ll see. Smile

Yes a neutral SST40 will work fine with the 2mm stock driver option, hmm tempting…

@Hank or TK, what’s the mcpcb size?

F.i.l.a.s
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Also, is the reflector hole optimized for 7mm or 9mm gasket? Other words, is there enough space for 5050 led form?

I know the reaming reflector is an option, but if there ´s an easier way.

Yokiamy
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F.i.l.a.s wrote:
Also, is the reflector hole optimized for 7mm or 9mm gasket? Other words, is there enough space for 5050 led form?

I know the reaming reflector is an option, but if there ´s an easier way.

I suspect the reflector hole will fit larger dies, since the XHP35 is announced as well

F.i.l.a.s
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I know, but XHP35 is only 3535 led size.
Hank, could you tell more about diameter of reflector hole?

ToyKeeper
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The reflector hole size can be measured from one of the images in the review. We know the size of the W1 emitter, and can use that to calculate the size of the hole…

The die is 1.03mm across, and the whole LED package is 3mm. So it looks like the gasket is about 4.1mm across and the reflector hole is about 7.5mm.

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Thanks for your reply TK, any info on the mcpcb size?

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Yokiamy wrote:
Thanks for your reply TK, any info on the mcpcb size?

Not sure, but it’s probably the 20mm MCPCB Hank sells with a White Flat installed. It couldn’t be a 16mm MCPCB because the reflector is too wide at the base, but 20mm seems barely big enough… and Hank doesn’t sell a larger one.

I’m hoping to avoid taking my reflector out, since the focus is nearly perfect and I don’t want to mess it up. I’ve made that mistake before… (probably not a big risk though, since it has a good centering gasket)

id30209
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To me it looks like tiny White was soldered on a 3535 MCPCB...or am i mistaken? If so, why nit choosing L4P or even KD’s MCPCB?

WTB Titanium 4sevens 2xAA tube

Hank Wang
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Yokiamy wrote:
Thanks for your reply TK, any info on the mcpcb size?
It’s 32mm, specially made 3030 footprint for the W1/W2

https://intl-outdoor.com, Noctigon, Emisar, flashlight components.

F.i.l.a.s
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Nice Hank, will you use this one mcpcb for 3535 footprint?

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Thx Hank!

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Hank Wang
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F.i.l.a.s wrote:
Nice Hank, will you use this one mcpcb for 3535 footprint?
Nope, K1 uses specially made DTP, with both 3030 and 3535 footprint.

https://intl-outdoor.com, Noctigon, Emisar, flashlight components.

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I already have a W30 which pretty much satisfies my desire for a pencil-beam super thrower, but I am very interested in the XHP35 version of the K1. I wish more lights were available with efficient constant-current boost drivers.

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Is the XHP35 HI officially announced, or Hank commented anything?

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Rayoui
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Igor wrote:
Is the XHP35 HI officially announced, or Hank commented anything?
Hank Wang wrote:
There are actually two versions. One is the 5A Linear regularted driver for the Osram, SST-20, XP-L LED. The other is the boost 2A/12V driver which is for the XHP35 LED.

http://budgetlightforum.com/comment/1579831#comment-1579831

DB Custom
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Nice! I do believe I have a 32mm XM MCPCB on hand, so the SST-40 in 4750(ish)K is looking better all the time! Big Smile 5A is plenty for it and will maintain the run time values nicely. Once again though, we’ll see. I like to let the light and parts remain open, not decide too early what to do with them, wait for the light to be in-hand and get a feel for what would work best. Keeps it artistic. lol

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I am also considerig using the XM-L2 HI Cri 3000K emitter with Maxtoch 31,5× 1,6mm DTP MCPCB. Hi cri sustainable throw of big led :D.
This light has a nice potencial for a lot of kind of modding with regulated or even boost drivers.

SKV89
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F.i.l.a.s wrote:
I am also considerig using the XM-L2 HI Cri 3000K emitter with Maxtoch 31,5× 1,6mm DTP MCPCB. Hi cri sustainable throw of big led :D. This light has a nice potencial for a lot of kind of modding with regulated or even boost drivers.

I have that emitter from KD. It is not 7A3 tint bin for sure. It’s very yellowish (DUV is very positive)

djozz
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SKV89 wrote:
F.i.l.a.s wrote:
I am also considerig using the XM-L2 HI Cri 3000K emitter with Maxtoch 31,5× 1,6mm DTP MCPCB. Hi cri sustainable throw of big led :D. This light has a nice potencial for a lot of kind of modding with regulated or even boost drivers.

I have that emitter from KD. It is not 7A3 tint bin for sure. It’s very yellowish (DUV is very positive)


I can confirm its yellowness. KD’s first batch of these leds were great, but then this yellow batch came..
P33
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F.i.l.a.s wrote:
I am also considerig using the XM-L2 HI Cri 3000K emitter with Maxtoch 31,5× 1,6mm DTP MCPCB. Hi cri sustainable throw of big led :D. This light has a nice potencial for a lot of kind of modding with regulated or even boost drivers.

How do you know it’s high CRI?

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I was just about ready to pull the trigger on an Acebeam T27. Perhaps I should get this instead!

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Jim1348 wrote:
I was just about ready to pull the trigger on an Acebeam T27. Perhaps I should get this instead!

Two very different animals. Even at low levels the K1 can produce the same intensity as the T27 at turbo, unsustained mode. However the T27 is all around more usable, with lot more lumens being lay in front of you, and for close tasks the T27 can actually illuminate more than just a tiny spot.

The K1 is a very specialized tool and the T27 can be used for everyday tasks to some extend.

K1 uses linear driver, not so efficient vs boost driver found in the T27. The emitter choice is also less efficient making the overall Lm/W or Lumen-hours differ.

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I thought the blf gt makes about 1mcd how does this out throw it at Max 650kcd ? Or did I read it wrong

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Natewar wrote:
I thought the blf gt makes about 1mcd how does this out throw it at Max 650kcd ? Or did I read it wrong

The total throw on the K1 is about half as much as the GT (half the candelas, two thirds as much distance). However, throwiness is measured more as a ratio of the amount of throw divided by the amount of lumens. This quantifies the overall beam shape, like how wide or narrow it is. The K1 has a slightly throwier (narrower) beam than the GT… which is pretty impressive considering it’s only a fifth the size (~2 kg vs ~0.4 kg).

The beams look pretty similar but the GT goes a couple steps higher than the K1. So the GT throws farther and can run for a lot longer, but at the cost of being much bigger and more expensive.

Natewar
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ToyKeeper wrote:
Natewar wrote:
I thought the blf gt makes about 1mcd how does this out throw it at Max 650kcd ? Or did I read it wrong

The total throw on the K1 is about half as much as the GT (half the candelas, two thirds as much distance). However, throwiness is measured more as a ratio of the amount of throw divided by the amount of lumens. This quantifies the overall beam shape, like how wide or narrow it is. The K1 has a slightly throwier (narrower) beam than the GT… which is pretty impressive considering it’s only a fifth the size.

The beams look pretty similar but the GT goes a couple steps higher than the K1. So the GT throws farther and can run for a lot longer, but at the cost of being much bigger and more expensive.

Ok I understand now I have a few lights with white flats the beam is pretty amazing

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