No I don’t have LD25. Just from fasttech data I thought it has a max limit at 3A.
Oh la laa.It is time to take out of the drawer my Cometa,which gives 164Kcd with the Z1 original lens…. 
Is there some special difficulty with the Cometa’s mod?
All that careful consideration and adjusting described above I do for every driver not just DD ones, every flashlight build I try to give its own optimal configuration.
The LD25 can be a nice option too but has its own characterics, positives and negatives. It does not come in many sizes for example (i.e. I just reflowed a 15mm FET+1 driver with A6 firmware, working perfectly in a small EDC). Does it really go up to 5A?
Don’t get me wrong, I prefer current regulation for a lot of flashlight builds, but in many other situations DD is the way to go for me.
Okay, I don’t have any numbers but here is my herd of throwers anyway :
From left to right :
- Olight M3XS Black Flat
- Cometa “White Flat”
- Amutorch JM70 XP-L HI (tried a “White Flat” in there, but the TA FET driver on Turbo made it turn Blue/Purple… back to normal though after stepdown)
- Emisar D1S Black Flat
- Emsiar D1 Black Flat
- Olight R20 “White Flat”
Now the beamshots, in the same order :
My impressions ? Well the Emisar are perfect for Black Flat because the head is insulated from ground, as well as the M3XS…
For the others, the “White Flat” is perfect !
Now the most impressive IMHO are the Cometa which turns into a white laser with this LED :-p and the R20 which really throws a strong beam with its tiny reflector… Oh and the beam is really clean, without artifacts.
Good work! The Cometa looks awesome id be interested in the throw numbers if you bother taking any.
Where did every one buy the LEDs from? Any international friendly sources?
When you say “white flat”, you mean this new OSRAM KW CSLNM1.TG led?
Yup, the one LED4POWER sell on his website
I see,thank you.
If driven to maximum Osram White Flat will beat good old xp-g2s42b from 20-30% and new production process XP-G2 emitters will be beaten for about 50% 
I don’t know for other but in B158B host I had 330 KCD with old dedomed XP-G2 S42B but now with Osram White Flat I have 430KCD so yes with B158 you will get close or brake 400KCD mark depends on modding techniques. Not sure for beam size(even under precoolimator)… I would also like to see more lumens from Osram
Same happens with Mikos super reflector 15$ thrower (Supwildfire something) that should easily brake 400 kcd mark.
Yes… Really no doubt that OW is better than XP-G2 S42B but not in everything… 2B has larger die, and it is well suited for mentioned unregulated FET DD drivers since high current cell does not bothers him…
So why FET DD some people despize? Well it depends how you use flashlight… If you don’t have need for longer runtimes on turbo than real question is why not? Especially with older emitters like g2s42b
But with OW i think it is nice thing to stay in regulation.
Has anyone considered to put this one into the BLF GT or Astrolux MF04/Mateminco MT35+? It would be quite some laser beam. :-D
it will be tough time to focus the beam
I think that’s the old version of the LD25.
Played with the focus on my cometa today (removed the oring between the lens and the bezel, and turned the light not fully out) getting 360kcd out of it now.
Also hold the lens of my b158 in my hand in front of the cometa withiuy bezel trying to focus it and saw 390kcd. So with a good brinyte you should be able to go 400+.
560KCd in short Maxtoch SN6X-2X with 4A LD-2 driver.
Camo Warsun MX900 will be the next
Ordered some White Flat’s on saturday, and they arrived tuesday. As always in good order (kudos Neven).
Took a C8 host, an X6/X5 driver, an XR reflector (Fasttech), a Canadian cent, and a 3535 centering gasket.
The cent I needed because the reflector is circa 1mm shorter than the original one and the gasket got a djozz-micro-mod to fit the 3030 emitter. Difference is I made it black with a felt tip pen.
Let’s start by saying that I followed the budget luxmeter comparison of djozz with great interest.
So my mindset was to take the results of my 1010B luxmeter only serious when used as relative values.
Nevertheless, the meter started out at 171kCd and slowly decreased to 130-ish kCd for the C8 + Osram.
Then I put my Olight MX2UT on the line, and it scored a pretty constant 119kCd on my luxmeter.
I know that the MX2UT is rated for much more, so the outcome of my C8 + Osram must be higher too
Below is a side by side comparison of the C8 (left) and the MX2UT with dedomed XM-L (right) on full blast.
Edit: the abnormal looking hotspots are caused by the paper I shine on. It is a bit wrinkled.
I’m not familiar with that reflector. Is there an advantage over the stock C8 reflector?
Barkuti, thanks for pointing out LD25 driver. I think it is the most suitable and cheap too.
It is proven this LED will turn blue with DD driver using good cell.
I am wondering if we set the Cometa stock driver to its muggle mode that has half of Turbo as highest mode, will it be okay and not to driver it blue? I am not familiar with its stock driver.
wondering if it will survive with DD vtc6/30q on my couroui D01 with copper pill and 32mm copper pcb.
Even if it survive, its output is lowered. So why take the risk.