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

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huey18
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I agree Phlogiston. I just ordered their SP23A 2.0. I like their community involvements in the other projects too, so I will support them.

They seem to be a company who is willing to innovate and try new things to set themselves from other brands. You see many clones and homages but Sofirn is willing to take risks like their C8F with a side switch and triple led. The company wasn’t on my radar before, but I am paying attention to their releases.

Sofirn is not just building a light, they are building a brand.

Macka17
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At that price put me down for 2 × 5600k 0-2.
They’ll go well with the Astrolux AO1 and the Jetbeam Jet 1

huey18
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@djozz

Has Sofirn commented on the reflector? Are they still planning on using a smooth parabolic reflector, a brush aluminium cone, or any other forms?

Noir
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The CGIs (post #598) look good. Not sure why they stuck with the slightly reduced tail diameter, maybe you could poke Sofirn about that.

Regarding the "reflector", I think is best to stick with a simple cone (like the E01), it is a straightforward, easy to make and proven design (KISS).

I don't think a parabolic reflector will have much benefit, considering it won't reflect all that well due to the lack of a highly reflective coating (such coatings are very delicate and scratch very easily, plus it would add cost).

DavidEF
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defloyd77 wrote:
I’m pretty happy and impressed with that look and just how involved Sofirn is with this/us.

The magnet and tritium holes in the tail look like stylistic design choices rather than 2 empty, out of place holes.

GREAT job!


I have to admit. I thought it wouldn’t. But it does look good. Good job Sofirn!

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- The YKK Philosophy

MiG0
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Any possibility for other colours?

DavidEF
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This light looks so good, I hope they use this design (or similar) for a more powerful emitter as well. Maybe 100lm or so.

The Cycle of Goodness: “No one prospers without rendering benefit to others”
- The YKK Philosophy

DavidEF
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MiG0 wrote:
Any possibility for other colours?

It has already been mentioned that they are considering a few different colors for this light. But no update has been given for a while. Colored anodizing doesn’t need to be “designed” so they are concentrating on the body shape right now. Colors can be done at any time later.

The Cycle of Goodness: “No one prospers without rendering benefit to others”
- The YKK Philosophy

defloyd77
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Noir wrote:

The CGIs (post #598) look good. Not sure why they stuck with the slightly reduced tail diameter, maybe you could poke Sofirn about that.


Regarding the “reflector”, I think is best to stick with a simple cone (like the E01), it is a straightforward, easy to make and proven design (KISS).


I don’t think a parabolic reflector will have much benefit, considering it won’t reflect all that well due to the lack of a highly reflective coating (such coatings are very delicate and scratch very easily, plus it would add cost).

The E01’s cone is a proven design with a different LED with a different beam angle. I’d hate to see an LED not used to it’s fullest potential due to misinformation.

I’m going to trust Sofirn’s engineers that have the LEDs these lights will be using in front of them to test things out with rather than the hypotheticals on a forum.

TheShadowGuy
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Update from the survey:

We are up to 42 responses.

Question 1: 2 people definitely want a trit slot. 4 people would like one. 15 do not care. 13 said no, they would never use it. 8 said they would prefer it without a trit slot.

Question 2: 18 said tailstanding is vital, 13 said it would be useful. No respondents said they prefer a non-tailstanding tail design.

Question 3: No magnet is leading 21 to 19. That is not a wide margin.

Question 4: The Lumintop Ant tailcap is in the lead by a narrow margin, followed by the Olight i3s then the Manker E02. The rest are still far behind. The mini pineapple tailcap is the most divisive, with a significant number of both higher rank finishes (think 2-5) but also has the second highest number of 9/10 rank finishes.

Question 5: The concern was raised that magnets/trits may become large sticking points for a small number of vocal members while not being of consequence to the goal people signed up for: a cheap and robust light. Also another vote for the Noir/Djozz tailcap design.

If you haven’t taken the survey yet, you can take it at this link: https://www.surveymonkey.com/r/DGQ8LL3

If you really like or dislike the Noir/Djozz tailcap that Sofirn has shared renders of, you can mention it in Question 5. Wink

dealgrabber2002
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It looks great. When can they start production? Or are we still trying to change things up?

Grappler
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I’ve already taken the poll, but I really like the tail cap design in the render.

 

 

twisted raven
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I like the Djozz tail/Sofirn Render quite a lot. It allows for tailstanding and the ability to have the keychain ring without having any sharp edges. I can’t stand lights that have sharp edges around the slots for the lanyard/key ring.

The slit trot and magnet hole I could care less for, but if the added machining/designing only accounts for like 1 dollar more on the price I won’t mind.

TheOnlyDocc
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The survey is usefull but why is the Djozz tail/Sofirn Render not in it?

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iamlucky13
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Noir wrote:
Regarding the "reflector", I think is best to stick with a simple cone (like the E01), it is a straightforward, easy to make and proven design (KISS).

I don't think a parabolic reflector will have much benefit, considering it won't reflect all that well due to the lack of a highly reflective coating (such coatings are very delicate and scratch very easily, plus it would add cost).

 

It has received a little bit of discussion because a user who has modded an E01, I think it was ma tumba, said in his experience it made the beam profile less smooth. It didn't sound drastic, but still like there was room for improvement.

 

So hopefully Sofirn does cut a few test pieces to try with these emitters to make sure the resulting beam is nice and smooth. I suspect parabolic isn't actually ideal in this case like it is for a thrower, so maybe conical or spherical is better. I know the Maglite Mini I stuck a Yuji in shows a slight dark spot in the middle of the beam at certain focus settings. The larger, deeper reflector creates enough of a hotspot for this to be more noticeable than I'd expect from a 14mm OD light.

TheShadowGuy
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TheOnlyDocc wrote:
The survey is usefull but why is the Djozz tail/Sofirn Render not in it?

The Noir/Djozz tail was created after and the renders only arrived last night.

With the number of responses already received it would have skewed the data already collected for Question 4.

I’d really like more data on opinions of that tail, but all I can do at this point is extrapolate from the data on the currently listed tails and other questions, including question 5 where people can put their opinions of it. (Obligatory link to the survey: https://www.surveymonkey.com/r/DGQ8LL3)

I could also set up a new survey where we decide between the frontrunners from the current survey and the Noir/Djozz tail, plus some questions for detail and opinions.

shirnask
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Grappler wrote:
I’ve already taken the poll, but I really like the tail cap design in the render.

Same here – it would have changed how I voted

djozz
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TheShadowGuy wrote:
TheOnlyDocc wrote:
The survey is usefull but why is the Djozz tail/Sofirn Render not in it?

The Noir/Djozz tail was created after and the renders only arrived last night.

With the number of responses already received it would have skewed the data already collected for Question 4.

I’d really like more data on opinions of that tail, but all I can do at this point is extrapolate from the data on the currently listed tails and other questions, including question 5 where people can put their opinions of it. (Obligatory link to the survey: https://www.surveymonkey.com/r/DGQ8LL3)

I could also set up a new survey where we decide between the frontrunners from the current survey and the Noir/Djozz tail, plus some questions for detail and opinions.


I have asked Barry and the engineers how they like the new designed Noir/djozz tailcap themselves (because earlier Barry was in favor of a Sofirn SP10-like tail). If they like it too, or if they say that they will make what we want regardless of their opinion, perhaps we can already decide on going for this design (I think that I hear a majority liking it or being ok with it). Then maybe a new poll would be good (keeps us nice and busy Party ) deciding on no holes, trit hole, magnet hole, both holes.
shirnask
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+1 for a new poll

DavidEF
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shirnask wrote:
Grappler wrote:
I’ve already taken the poll, but I really like the tail cap design in the render.

Same here – it would have changed how I voted


I would like the djozz tail, and I already voted before as well.
TheShadowGuy wrote:
I could also set up a new survey where we decide between the frontrunners from the current survey and the Noir/Djozz tail, plus some questions for detail and opinions.
I think this is a great idea. Wink

The Cycle of Goodness: “No one prospers without rendering benefit to others”
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Hoosh
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I honestly like the rendering of this light – especially the tail. On paper, it didn’t really strike me as something I would like, but seeing it with the light has changed my thinking. In my mind, I’m ready for Sofirn to start producing them as they’ve been rendered!

Also, I’d like to up my interest to 4 × 3200 instead of just 2. Thumbs Up

gchart
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I went ahead and voted, but that new render looks sweet. I had my doubts about the drawing, but the render sold me.

Pros:

  • Tailstands
  • Option for magnet
  • Option for trit
  • Center swing split-ring attachable

Cons:

  • Perhaps a bit busy looking

It sure seems to check almost all the boxes that people have asked for, no?

cujo255
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I like the rendered tailcap a lot (though I don’t care about the trit slot), but I am curious how would be best to install a magnet in the hole with other’s comments that most glues dont work too well on anno since it sounds like we would not have a factory installed magnet.

djozz
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cujo255 wrote:
I like the rendered tailcap a lot (though I don’t care about the trit slot), but I am curious how would be best to install a magnet in the hole with other’s comments that most glues dont work too well on anno since it sounds like we would not have a factory installed magnet.

A quick scan of the www came up with superglue and Araldite. But I have no experience with glueing to ano myself.

Something considering if you want to do a thorough and careful job is applying a drop of concentrated caustic soda in the hole and wait for the surface to be deanodised. Could be a way to make the trit slot a bit more reflective too (some sanding afterwards to finish the surface, then glue in the trit)

Noir
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I believe such tail magnets are often simply press fit, no glue needed.

DavidEF
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I never heard about glue not sticking to ano. My concern is/was the glue not sticking to the nickel plating on the magnet.

The Cycle of Goodness: “No one prospers without rendering benefit to others”
- The YKK Philosophy

MascaratumB
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I did glue some neodymium magnets on the tail of some lights (Sofirn SF32 and Manker E11). Both have similar shapes on the tailcaps, so putting a bit of super glue and the magnet above did the job!

Of course, strong impacts or falls may endanger that as the glue (dry) can crack.

One thing I have a concern with in the proposed design (BTW, thanks djozz and Barry for the work on that, and to other members giving support on this thread!!!) is that the magnet is not in the middle. So, I don’t know if there is the possibility of that putting at “risk” the way it will stick “evenly” on a metal surface without falling due to a lack of equilibrium (toward the central “axis”).

But I believe you have thought about this too Wink
Thanks again for all the efforts!!

Grappler
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MascaratumB wrote:
One thing I have a concern with in the proposed design (BTW, thanks djozz and Barry for the work on that, and to other members giving support on this thread!!!) is that the magnet is not in the middle. So, I don’t know if there is the possibility of that putting at “risk” the way it will stick “evenly” on a metal surface without falling due to a lack of equilibrium (toward the central “axis”).

In the proposed design with the off-center magnet, you can increase the holding power of the magnet based on how you place the light on the metal surface. If you rotate the flashlight so the magnet is positioned higher on the axis (closer to the 12 o’clock position) before placing it on the metal surface, it will have a better hold than if the magnet is lower on the axis (closer to the 6 o’clock position).

 

 

MascaratumB
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Grappler wrote:
MascaratumB wrote:
One thing I have a concern with in the proposed design (BTW, thanks djozz and Barry for the work on that, and to other members giving support on this thread!!!) is that the magnet is not in the middle. So, I don’t know if there is the possibility of that putting at “risk” the way it will stick “evenly” on a metal surface without falling due to a lack of equilibrium (toward the central “axis”).

In the proposed design with the off-center magnet, you can increase the holding power of the magnet based on how you place the light on the metal surface. If you rotate the flashlight so the magnet is positioned higher on the axis (closer to the 12 o’clock position) before placing it on the metal surface, it will have a better hold than if the magnet is lower on the axis (closer to the 6 o’clock position).

Yup, sure, I know that Wink I was just wondering if due to that wouldn’t it be better to put in the center! But I won’t bother much with that! Actually, due to the type of light, I’d prefer not to have a magnet or to have the option to put/not to put it !

defloyd77 wrote:
The most important tail feature to me is that it tailstands. There’s really no reason to make a light not tailstand. Anyone who has ever experienced a power outage knows just how handy tailstanding can be.

+1 here!

defloyd77 wrote:
On that note, I want to mention an unintentional “feature” of the E01, the head is the perfect size to use a lip balm cap as a diffuser. I’d love to be able to do the same with this light.

I also asked about the diffuser before. Here’s my suggestion and djozz’s reply! Maybe having the diffuser as a extra can be doable, so that the “normal” pack keeps the lower price Cash

djozz wrote:
MascaratumB wrote:
Today when I arrived home I picked one of my 2 AAA flashlights, the Nitefox K3 and its diffuser.

I don’t know if this is relevant, important, doable, interesting, or not, but given the (future) specs of the flashlight being discussed here, would it be “nice” to have a diffuser for it? Again, I don’t know how “important, etc…” it would be, and also if it would add anything “interesting”, but would it be nice to propose a diffuser for this light? Just an idea… :ARROW-RIGHT:


I too think that a diffuser could be attractive for this light. For me the 3200K version would be a neat all-night light for my son (he is afraid to sleep in total dark). I doubt if it can be included considering the 6 dollar price goal but I can always ask for it Smile . Maybe as a separate option for 50 or so cents extra.
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MascaratumB wrote:
Yup, sure, I know that Wink I was just wondering if due to that wouldn't it be better to put in the center! But I won't bother much with that! Actually, due to the type of light, I'd prefer not to have a magnet or to have the option to put/not to put it !

Of course, a magnet in the center is, in theory, better than an off center one, but in practice it won't make any difference because the tail is designed to hold a 5 x 3 mm magnet which has a retention force of at least 500 g (better ones up to 900 g), that is more than strong enough.

Just for comparison (I think I mentioned this already a few pages back) a DQG Tiny AAA uses a  5 x 2 mm magnet on the inside of the light, which means that there is always a layer of steel between the magnet and the surface it is attached to reducing its effectiveness, yet it is still strong enough to hold the light in any position.

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