[♛ FreemeGB] ASTROLUX MF01 Mini 7*SST20 CRI95 26650 ANDÚRIL Flashlight Group Buy /// Aluminium 5 Colors - SHIPPED

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VictorMarquez
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Interested thanks

VictorM

SKV89
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I remeasured using a high drain Golisi 4300mah cell and got 3,860 lumens at turn on compared to 3,770 with the Vapcell 26650. Meaning the SST-20 4000K is pretty much pushed to the max already even with the Vapcell 5500mah.

SKV89 wrote:
I took some measurements of my silver MF01 Mini with the SST-20 4000K using Vapcell 26650 5500mah fully charged. This one will surely see significant improvement in tint by swapping to a UCL type glass.

Max Output
3,770 lumens at 1s
CCT: 3877K
DUV: 0.002
Ra (CRI): 93.7
R9: 82.5
Rf: 92
Rg: 103

Max Output (without glass)
3,905 lumens at 1s
CCT: 3780K
DUV: -0.0023
Ra (CRI): 94.7
R9: 86.2
Rf: 92
Rg: 104

At 3rd lowest stepped mode
Output: 55 lumens
CCT: 3805K
DUV: 0.0032
Ra (CRI): 97.7
R9: 94.7
Rg: 99

At 3rd lowest stepped mode (without glass)
Output: 59 lumens
CCT: 3820K
DUV: 0.0018
Ra (CRI): 98.2
R9: 97.9
Rf: 93
Rg: 100

JasonWW
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SKV89 wrote:
I remeasured using a high drain Golisi 4300mah cell and got 3,860 lumens at turn on compared to 3,770 with the Vapcell 26650. Meaning the SST-20 4000K is pretty much pushed to the max already even with the Vapcell 5500mah.

You think it’s maxed due to the led forward voltage and not anything related to the driver or battery circuit limiting output? This distinction is something I’m trying to figure out. It’s a bit confusing.

PS, it’s also good to record beyond 1s, like to 10 and 20 seconds for instance just to see how quickly and how low the output drops due to the battery load and leds heating up.

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oweban
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First 5 minutes of turbo, two batteries compared:

JasonWW
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oweban wrote:
First 5 minutes of turbo, two batteries compared:



Which Keeppower?

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oweban
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Whoops, should have specified.

Link from HJK’s site.

Nothing special, but it’s damn hard to get 26650s in AU.

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oweban wrote:
Whoops, should have specified.

Link from HJK’s site.

Nothing special, but it’s damn hard to get 26650s in AU.


Okay, the 5200mah are the older, weak ones. This explains the giant difference you saw.

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oweban
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Yeah, I’d love to get one of those Shockli 26650s, but nigh-on impossible to get here.

sigh

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JasonWW wrote:
Since we have 2 software related questions, stepdown and lvp, I sent a PM to Toykeeper with this thread link. Hopefully she will post here or answer me and I’ll relay here. Now we wait.

I found out that the LVP goes by the same voltage it blinks out (the MCU blinks the voltage it sees and LVP is controlled by the MCU). So if the voltage reads a bit lower than actual, LVP will activate a bit sooner.

I dont think there is much in the way of fixing the thermal stepdown behavior. On some driver designs the stepdown works well and on others it acts not so great.

Has anyone tried setting the top of the ramp a tiny bit higher or lower and then checked how the thermal stepdown responds? Maybe it will change.

Texas Ace Lumen Tube calibrated with Maukka lights

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oweban wrote:
Yeah, I’d love to get one of those Shockli 26650s, but nigh-on impossible to get here.

sigh


They are also sold as Vapcell 5500 and Keeppower 5500/6000. Have you tried a search for those? I guess it just depends on whether any stores in your country are importing them. Theoretically, if one of your stores can get the older Keeppower 5200, they may also be able to get the newer 5500/6000.

Texas Ace Lumen Tube calibrated with Maukka lights

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SKV89
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I just got the full copper version today and took these measurements using Golisi 4300mah batteries:

Copper SST-20 4000K Max Output (stock lens)
Output: 4,181 lumens
CCT: 4019
DUV: -0.0009
Ra (CRI): 96.5
R9: 86.9
R12: 83.0
Rf: 94
Rg: 101

Copper SST-20 4000K Max Output (UCL lens)
Output: 4,362 lumens
CCT: 4028K
DUV: -0.0019
Ra (CRI): 96.7
R9: 89.2
R12: 84.1
Rf: 94
Rg: 102

I’m surprised the copper version is so much brighter than my silver aluminum version. Also the cct is cooler and the tint is much better (less green). I wonder if Lumintop used the FA3 tint bin in the copper version and the FD2 tint bin in the aluminum version. TA said Lumintop was able to buy about 1,000 of the FA3 tint bin emitters and the rest were the FD2 tint bins.

I wonder if the brighter output is due to a better emitter bin or is it because copper conducts better. I tested swapping the copper and aluminum tubes in both lights and didn’t see any change in output in both lights so at least we know copper tube will not increase output.

Despite measuring brighter, the copper version actually doesn’t look as bright on the wall because the hotspot is noticeably less defined as if it is shined through a diffused optic. The aluminum one has an obvious circular hotspot, with the hotspot yellower than the spill. The copper version hotspot tint and spill tint is the same so maybe that’s why I don’t see a defined hotspot but it’s strange since the emitter is the same SST-20 under the same optic. The more negative DUV of the copper version really makes things look nicer, cleaner, and more neutral white. I’m a fan of very warm temps but not yellow tint (+DUV), so to me I like the copper version beam color much more than the aluminum version.

Btw, the Golisi 4300mah produces 13% higher output compared to the Shockli/Vapcell 5500mah. However, Golisi 4300mah measures about 4,200mah whereas Shockli/Vapcell 5500mah measures about 6,000mah.

SKV89 wrote:
I remeasured using a high drain Golisi 4300mah cell and got 3,860 lumens at turn on compared to 3,770 with the Vapcell 26650. Meaning the SST-20 4000K is pretty much pushed to the max already even with the Vapcell 5500mah.

SKV89 wrote:
I took some measurements of my silver MF01 Mini with the SST-20 4000K using Vapcell 26650 5500mah fully charged. This one will surely see significant improvement in tint by swapping to a UCL type glass.

Max Output
3,770 lumens at 1s
CCT: 3877K
DUV: 0.002
Ra (CRI): 93.7
R9: 82.5
Rf: 92
Rg: 103

Max Output (without glass)
3,905 lumens at 1s
CCT: 3780K
DUV: -0.0023
Ra (CRI): 94.7
R9: 86.2
Rf: 92
Rg: 104

At 3rd lowest stepped mode
Output: 55 lumens
CCT: 3805K
DUV: 0.0032
Ra (CRI): 97.7
R9: 94.7
Rg: 99

At 3rd lowest stepped mode (without glass)
Output: 59 lumens
CCT: 3820K
DUV: 0.0018
Ra (CRI): 98.2
R9: 97.9
Rf: 93
Rg: 100

JasonWW
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FET driver lights are not known for their consistency. Silly

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SKV89
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I guess you are right since I see variations between E07 also. However the two MF01s that I have measured the same output.

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JasonWW wrote:
JasonWW wrote:
Since we have 2 software related questions, stepdown and lvp, I sent a PM to Toykeeper with this thread link. Hopefully she will post here or answer me and I’ll relay here. Now we wait.

I found out that the LVP goes by the same voltage it blinks out (the MCU blinks the voltage it sees and LVP is controlled by the MCU). So if the voltage reads a bit lower than actual, LVP will activate a bit sooner.

I dont think there is much in the way of fixing the thermal stepdown behavior. On some driver designs the stepdown works well and on others it acts not so great.

Has anyone tried setting the top of the ramp a tiny bit higher or lower and then checked how the thermal stepdown responds? Maybe it will change.

I have tried to change the max ramp level up and down and no matter the level it starts to step down after few seconds, something that i noticed is that in Lower voltage 3.8V and down of the battery this isn’t happening, another case is when i ramp a few times it starts to sustain the max ramp level. So i don’t have an idea where exactly is the problem.

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I like the more yellow FD2 bins that FF uses over the MF01’s ‘cooler more white’ 4000k bins, whatever bin that maybe. The FD2 of FF looks ‘rich yellow’ while the astrolux looks more white.

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eneoros wrote:
JasonWW wrote:
JasonWW wrote:
Since we have 2 software related questions, stepdown and lvp, I sent a PM to Toykeeper with this thread link. Hopefully she will post here or answer me and I’ll relay here. Now we wait.

I found out that the LVP goes by the same voltage it blinks out (the MCU blinks the voltage it sees and LVP is controlled by the MCU). So if the voltage reads a bit lower than actual, LVP will activate a bit sooner.

I dont think there is much in the way of fixing the thermal stepdown behavior. On some driver designs the stepdown works well and on others it acts not so great.

Has anyone tried setting the top of the ramp a tiny bit higher or lower and then checked how the thermal stepdown responds? Maybe it will change.

I have tried to change the max ramp level up and down and no matter the level it starts to step down after few seconds, something that i noticed is that in Lower voltage 3.8V and down of the battery this isn’t happening, another case is when i ramp a few times it starts to sustain the max ramp level. So i don’t have an idea where exactly is the problem.


Man, I have no idea. I’ve never heard of this happening. Toykeeper doesnt know either and she’s the one who wrote Anduril.

Is the light usable or is it always ramping down?

Have you tried setting the stepdown temp to it’s highest level?

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oweban
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Have you calibrated the temperature?

Dr.Phillip
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Hi guys I wanted to address the most common issues with this light and some solutions I found, but I decided not to spam freemes thread so much so I made a new one for technical issues with this light:

http://budgetlightforum.com/node/69962

Its based on info I got from Lexel and ToyKeeper. It adresses thinks like LVP, incorrect voltage measurement and the light throttling down from max ramp.

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And where does one buy such a UCL lens?

Tint on the 4000K is worse than I expected. Now I’m torn between trying to lower the DUV by swapping three leds to 2700K SST-20’s or swapping all to 4000K SW40 219B’s.

virence.com rosy 3500K R9080 Wizard Pro

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Ryzbor wrote:
And where does one buy such a UCL lens?

UCL is trademark name.
flashlightlens.com

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Ryzbor
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JasonWW wrote:
Ryzbor wrote:
And where does one buy such a UCL lens?
UCL is trademark name. flashlightlens.com

Thanks. I hope they are willing to send a lens in a regular envelope for 4 bucks to the EU…

virence.com rosy 3500K R9080 Wizard Pro

middle age man
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What size lens does the MF01 mini take? I have one on the way (SST-20 4000k).

SKV89
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Ryzbor wrote:
And where does one buy such a UCL lens?

Tint on the 4000K is worse than I expected. Now I’m torn between trying to lower the DUV by swapping three leds to 2700K SST-20’s or swapping all to 4000K SW40 219B’s.

40.05mm x 1.90mm is what I bought

I tested the 2700K SST-20 in the E07 and I really like the tint. If mixed with the 4000K FD2, it should result in a very rosy tint.

Depending on the batch of SW40 you get, it might not even be as rosy as the SST-20 FD2 at turbo.

Ryzbor
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The target would be to get a acceptable (= zero duv or below) 200lm mode. I see the 2700K is in the BBL at that power, but the FD2 quite high above it.

Actually I don’t like rosiness at 4000K but prefer a neutral- slightly rosy tint.

virence.com rosy 3500K R9080 Wizard Pro

SKV89
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From my experience 4000K on the BBL is a little yellowish for my liking. 4000K at DUV -0.002 looks much more neutral. 4000K with DUV of -0.003 to -0.004 for me seems perfect neutral white because I don’t see any yellow or pink unless I compare it side by side with another light of different tint. Maybe it’s my eyes or the ambient environment I’m in.

christoph
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Can the battery sleeve adapters be gotten somewhere so that other cells can be used in the light
TIA
Chris

Chris

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christoph wrote:
Can the battery sleeve adapters be gotten somewhere so that other cells can be used in the light
TIA
Chris

I just cut out, or rip out, a section of cardboard box to help center a smaller battery. If you want plastic ones, just check Aliexpress.

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freeme
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What other cells do you need?

christoph wrote:
Can the battery sleeve adapters be gotten somewhere so that other cells can be used in the light TIA Chris

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christoph
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I saw somewhere it could use 21700’s and 18650’s. I did not know there was a code for discount could I have one please?
Chris

Chris

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Most unprotected 26650, 21700, and 18650 are supported.

christoph wrote:
I saw somewhere it could use 21700's and 18650's. I did not know there was a code for discount could I have one please? Chris

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