Has anyone done aspherical lens mod with this light yet?
I have not taken the time to build one yet, but I did look into it some.
I have used these lenses in the past with good results.
http://www.dx.com/p/66mm-24mm-2-90-degree-99-transmittance-glass-optic-13618#.VfbzLZcpWqg
If you made a collar to fit around this lens it will fit in the head.
If you have a way to bore a couple of mm from the inside of the head or the outside of the glass I think this one will also fit. I have made lights that do over 700K with this lens before.
http://www.kaidomain.com/product/details.S022169
You would also need to counter sink the LED into the neck of the light to use the 71mm lens because the focal length is 47mm
I cant remember what the focal length for the 66mm so you might have to CS the LED for that one too.
Hi, maybe i miss something but why using 66mm lens since the head is definitely big enough to accommodate 70mm+ lens?
That 71mm lens looks promising, but yeah it is kinda a pain to focus an aspherical lens in a fixed head position light. I have not owned any light that can produce 700kcd yet!
Doing a quality aspherical mod in this light would be hard. To get 700+kcd you need an XPG2 driven to about 4.5A de-domed with a wavien collar implemented. 18650s in par dont provide enough voltage so either an S conversion or going to 18350s would be needed.
I would think an XML2 U4 de-dome with the 71mm lens would probly get you some big numbers on the front end of the battery charge if the wavien was used. Probly over 500k.
I mentioned those 2 lenses because I have used them :)
Thanks for the teardown.
Now I know what to do to my incoming Courui.
Noob here. I am buying this courui d01 light for modding. Would it be possible to use blf fet driver with this light because it uses electronic switch? Or would it be smarter just to add r100 resistor on original board. With spring bypasses ofc. And if its possible to use blf frt driver how to connect it with the switch? How much amps would the original led survive? Sorry for the question flood…
I’m buy it from Gearbest. It’s have Rs=(r010)
I burned transistors 3400. So I pulled the driver out of the housing.
It has a second channel, without second coil.
I took from there the transistor and resistor (Rs parallel to the first resistor).
Now 3.5A@3.7-4.1V
My D01 is getting modded after I finish up a few other lights. My plan is:
Fet driver e-switch with custom modes
XPL HI, or dedomed XPG2 on a maxtoch mcpcb (with the wide, flat reflector bottom this will be a bit of a task)
Bypass springs and traces.
The original led should be fine with a FET driver as long as it is reflowed onto a copper DTP mcpcb.
There's a ton of mod threads with tons of pictures if you need guidance (I know I sure do) :)
Courui D01 + XHP50 (6V, 3.3A)