[Available again! - BLF special edition light] new Sofirn AAA twisty high CRI 5mm LED

Edit: looks like your post was edited before I clicked quote lol.
I think he is referring to this image, which I am also not really able to definitively see an o ring in

~~http://i.imgur.com/v26tDjR.jpg?1[/img][/url]~~

I received my 3 C01 Red lights yesterday, all were potted. Beam is not super great, but I’m a big 5mm fan and I like the single mode. Will likely try sanding the emitter on one at some point and get comparison shots if no one has yet. My regular C01 lights should arrive today (1 of each color), I will report back about potting when they’re in.

(I added bolding about O rings)
thanks for the great info!

same here:

===
Potting summary:

potted C01 colors:
black
green
red

NOT potted C01 colors:
orange

===
anyone have desert tan and blue 2020 C01? do they look potted or not?

same questions for the C01S and C01R… potted or not?

My C01R looks like it is Not Potted:

I really like the green ano, a nice deep olive. Here illuminated with 4500K 9080 219b :

Sorry, had to take my glasses off to see clearly - what I received as follows :

2 - orange - no potting does have o ring

1 - green - potted

1 - brown - no potting does have o ring

1 - blue - no potting does have o ring

1 red 670nm RED - potted

Is it just a simple 5mm inner diameter o-ring that would be needed after removing the potting material?

EDIT: Nevermind… I think they all have o-rings… brain is just a little foggy at the moment.

shirnask, thanks for the potting and O ring info, very helpful
Im satisfied that it appears All C01 have O rings around the 5mm LED

Potting summary:
potted C01 colors:
black
green
red

NOT potted C01 colors:
orange
brown
blue

Oh, weird that they potted some of them but not the others!
Wonder if the factory didn’t get the memo when they manufactured certain colours.

maybe

or, I speculate

factory staff says: Boss, were running out of potting compound.

Boss says: those guys on BLF are really cheap… Im not buying another barrel of potting compound, too expensive, and too much labor. Finish the rest without potting…

factory staff says: Yes Boss :slight_smile:

and
factory staff says: Boss, the red 5mm LED has beam artifacts

Boss says: those guys on BLF are really cheap… Im not buying another bag of LEDs, too expensive, too much labor. Finish the rest with the LEDs you have.

factory staff says: Yes Boss!

One more here to confirm the above list, my colors are potted the same

Already did a first mod, one I was having in mind since the desire for a host version. Simplest travel nightlight ever for my son, for which application 7 lumen is too bright.

I used a 2300K 95 CRI led from rngwn (I cherrypicked one that was duv –0.0017) , which is shorter than the stock led so probably a littlebit light is lost in the head (looks like not much). And I changed the 220 (22 Ohm) resistor for a 221 (220 Ohm) resistor. The battery current went down from 70mA to 10mA (good for runtime) and the light went down from 7 lumen to 0.7 lumen (some of that reduction is caused by going from a 3400K led to a 2300K led). At 10mA, a AAA alkaline has about 2700mAh so that should be about 270 hours runtime (as opposed to about 40 hours for the stock light).

Scotchbrite vs stock

C01 670nm

Genius move by Sofirn in my opinion to pot some of the lights - what a fun surprise. I had ordered one potted color and one not-potted color already (plus two C01S).

Just ordered two more not-potted and planning to adjust output like djozz. What size resistor is used?

Maybe I missed it but….

Are the C01S’s potted?

All colors?

None of the C01S’s are potted, but some of the new C01’s are. (The original C01’s were all potted, though.)
I’m still waiting for mine in the mail to see what I got, haha.

I think the stock resistor was 0402, but I replaced it with a 0603 size one. Had to fiddle a bit with solder iron and tweezers to make both solder ends connect.

I won`t go below 1206, so I admire your work there! :wink:

I must admit that while hobbying I have done a lot of this small stuff by hand-soldering so I developed some skills, but it is still easy to get frustrated and fail.

djozz, would a pencil mod be ok for Rangwans high power LEDs? Not sure what the resistance would be.

It’s very hard to control the resistance of a pencil trace. It might work for a digital enable line, but not for this purpose.

Ok, thanks.