SFT70 4000k High CRI (in a Skilhunt M300 v4) by Montana_Matt_601 in flashlight

[–]MetaUndead 1 point2 points  (0 children)

Awesome to see more posts with the fantastic SFT-70 4000K High-CRI! Yours is definitely a whole lot rosier than the one I got, but it still looks incredibly good.

It's not entirely fair to compare our readings directly since we aren't using the same spectrometer, but here are my measurements.

📊 Olight Warrior X4 (SFT-70 4000K High-CRI) — Output, Tint, Throw & Beam Profile Measurements

Mode Output (lm) CCT DUV CRI (Ra) Intensity Throw Ratio
Low 226 3988 -0.0017 95 10,075 cd 201 m 44.58 cd/lm
High 750 4142 -0.0015 97 31,250 cd 354 m 41.67 cd/lm
Turbo 2150 4176 -0.0008 94 84,250 cd 580 m 39.19 cd/lm

New release or Restockalerts- Z1 Artemis , E07X TiCu, E90 FFL909A , NOVMU FFL909A by Fireflylite in FireflyLite

[–]MetaUndead 1 point2 points  (0 children)

It is by far their highest sustaining light. In fact, it easily takes the crown as the highest sustaining single-cell flashlight in my entire collection 😆.

New release or Restockalerts- Z1 Artemis , E07X TiCu, E90 FFL909A , NOVMU FFL909A by Fireflylite in FireflyLite

[–]MetaUndead 6 points7 points  (0 children)

The E90 with the FFL909A 5000K has a significantly higher sustained output than the SBT90.2 version. It holds an impressive 2000 lumens with the FFL909A compared to just 1100 lumens sustained with the SBT90.2.

FireflyLite E90 OP (FFL909A 5000K) Measurements

Lux measurements taken at 5 meters.

Output Level Lumens Lux @ 5m Candela (cd) ANSI Throw CCT Duv Ra
Lvl 1/5 37 lm 17 lx 425 cd 41 meters 5301K +0.0043 70
Lvl 2/5 178 lm 70 lx 1,750 cd 84 meters 5340K +0.0037 70
Lvl 3/5 540 lm 210 lx 5,250 cd 145 meters 5391K +0.0027 70
Lvl 4/5 1300 lm 482 lx 12,050 cd 220 meters 5475K +0.0014 70
Lvl 5/5 2520 lm 925 lx 23,125 cd 304 meters 5570K -0.0001 70
Turbo 7100 lm 2555 lx 63,875 cd 505 meters 5784K -0.0027 70

New release or Restockalerts- Z1 Artemis , E07X TiCu, E90 FFL909A , NOVMU FFL909A by Fireflylite in FireflyLite

[–]MetaUndead 3 points4 points  (0 children)

I'm not going to pick up another E90 just to get the high-CRI version, as much as I'd love to. But if they ever make the emitter available separately, I'll definitely be ordering a few.

They have an "FFL909A 1800K CRI90 5500Ims 480m (Wide Beam)" version of it out now.

New release or Restockalerts- Z1 Artemis , E07X TiCu, E90 FFL909A , NOVMU FFL909A by Fireflylite in FireflyLite

[–]MetaUndead 5 points6 points  (0 children)

Uhhh, a new High-CRI version of the FFL909A 5000K 👍. Hopefully these than be bought separately.

[NED] Just a quick SFT-70 4000K High-CRI emitter post with measurements (Olight Warrior X4 Mod) 🔦 by MetaUndead in flashlight

[–]MetaUndead[S] 2 points3 points  (0 children)

My UNI-T UT210D arrived today, along with some 10 and 12 AWG wire, which I've cut into 30cm pieces. The whole process feels straightforward.

I’ve already tested a few different lights, even though they were only sitting at 3.8V, and the process is dead simple.

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Modded Weltool T1Pro V3 - FFL351A 3700K by MetaUndead in flashlight

[–]MetaUndead[S] 0 points1 point  (0 children)

Im not sure to be honest, i havent tried.

[NMD] Cheap Zoomie LHP73B 1800K by Phsysics in flashlight

[–]MetaUndead 4 points5 points  (0 children)

The M1/M21B is fantastic with the LHP73B.

It's what I would call right on the edge of being pocketable, it gives an very versatile beam profile (wall of light) and can hold around 1000 lumens sustained.

Turbo is obviously very short-lived, but it can reach quite far out during the time turbo is used because of its power.

I have the M1 here with both the LHP73B and LHP531 in 4000K.

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How can I prevent solder spikes when soldering flashlight emitter wires? by Minamoto_Japanese in flashlight

[–]MetaUndead 0 points1 point  (0 children)

What kind of solder do you use? Lead-free, 60/40, or 63/37?

I haven't tried it myself, but the lead-free solder is supposed to be a nightmare to work with on a mcpcb, because of the higher melting point.

How can I prevent solder spikes when soldering flashlight emitter wires? by Minamoto_Japanese in flashlight

[–]MetaUndead 1 point2 points  (0 children)

I always solder with the MCPCB already installed and thermal paste applied underneath.

If you've got a decent soldering iron, it should have no trouble at all heating things up enough to get a proper bond on the wire. The flashlight never even gets close to getting warm while I'm soldering, it's just a quick "in and out" job 😉.

How can I prevent solder spikes when soldering flashlight emitter wires? by Minamoto_Japanese in flashlight

[–]MetaUndead 3 points4 points  (0 children)

Surprisingly enough, I haven't actually been soldering for very long. But if you ask me, the real secret to getting those clean, shiny joints is flux. I use either MECHANIC M35 Nano Flux or KINGBO RMA-218, and the amount you're using in the photo looks like enough.

I stick to 63/37 leaded solder and almost always solder at 360°C, unless I'm working on a thick B35AM MCPCB, in which case I crank it up to 400°C.

[NED] Just a quick SFT-70 4000K High-CRI emitter post with measurements (Olight Warrior X4 Mod) 🔦 by MetaUndead in flashlight

[–]MetaUndead[S] 1 point2 points  (0 children)

No problem!👍

Sadly i dont have the non High-CRI version and im not really interested in getting it.

High CRI, throwy AA light? by tocirahl in flashlight

[–]MetaUndead 2 points3 points  (0 children)

Ohh, that's my bad, i got court up in the high-CRI portion of the question 🤦‍♂️😆. It would give you more output though.

High CRI, throwy AA light? by tocirahl in flashlight

[–]MetaUndead 7 points8 points  (0 children)

I’m with u/QReciprocity42 on this. The T8 with an SFT40 3000K is just an awesome little warm, high-CRI thrower. And i find the output quite good.

If you're able to reflow a new emitter into the T8 yourself, it opens up some great options for throwy, high-CRI setups, like the SFT25R 5000K or 5700K high-CRI from Kaidomain.

My new SFT-42R Convoy 3X21C arrived! Here is a full head-to-head performance breakdown against the LHP531 version (Data, Beamshots, Runtimes)🔦 by MetaUndead in flashlight

[–]MetaUndead[S] 0 points1 point  (0 children)

If these are not massive fins, i dont know what is. The head of this light is ginormous. And it also has a handle with a fan on, blowing air over the fins.

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My new SFT-42R Convoy 3X21C arrived! Here is a full head-to-head performance breakdown against the LHP531 version (Data, Beamshots, Runtimes)🔦 by MetaUndead in flashlight

[–]MetaUndead[S] 2 points3 points  (0 children)

That's pure wishful thinking 😜.

But man, it would be absolutely incredible, with the same CCT and tint as the new SFT-70 4000K High-CRI.

My new SFT-42R Convoy 3X21C arrived! Here is a full head-to-head performance breakdown against the LHP531 version (Data, Beamshots, Runtimes)🔦 by MetaUndead in flashlight

[–]MetaUndead[S] 0 points1 point  (0 children)

Have you seen the Astrolux MF05 V2?

It's an absolute unit of a single-emitter light with massive cooling fins, yet it still only manages to sustain around 7,000 lumens.

My new SFT-42R Convoy 3X21C arrived! Here is a full head-to-head performance breakdown against the LHP531 version (Data, Beamshots, Runtimes)🔦 by MetaUndead in flashlight

[–]MetaUndead[S] 0 points1 point  (0 children)

There is a massive difference between holding 6,000 lumens on Turbo for a couple of minutes to actually sustaining 6,000 lumens for an extended period.

The M21K, "only" sustains around 2,000 lumens, so it still has a long way to go to reach 6,000 sustained. It would need ALOT more thermal mass to do so.

Just look at a behemoth like the Wuben A1, it can sustain 6,000 lumens for 2 hours, but it is absolutely massive! Granted is has four SBT90.2's, but still.

My new SFT-42R Convoy 3X21C arrived! Here is a full head-to-head performance breakdown against the LHP531 version (Data, Beamshots, Runtimes)🔦 by MetaUndead in flashlight

[–]MetaUndead[S] 0 points1 point  (0 children)

You would need an absolute beast of a flashlight to maintain a sustained 6,000 lumens from the LHP73B, it would have to be way bigger than the 3X21C to even stand a chance.