What you got today

How far am I going to take this hobby? Not yet sure but first something to play with……, make a tube? I don’t know yet.

Hardly had been playing with the first mail call and the second white van man raced by: Sofirn IF22A.

Funny: both Ali-standard shipping but the first came with DHL and the second with Post.NL.

After 20 days of waiting, my Sofirn SF47 (4 x SST40) has arrived. I will try and get a mini-review out sometime this week.

Some notes:

  • It advertises 9000 lumens on turbo but I suspect that number is inflated. Unfortunately I can’t test this; can anyone weigh in on the theoretical output of two 21700 batteries in series married to 4 SST40 emitters? This uses a constant current driver.
  • This light has some decent heat-sinking and a very comfortably sized handle to hold onto. It seems like a good design for leaving a light on high output and not having to feel or stress about the heat.
  • I’m kinda curious what this light would be like with 4 SFT40 emitters.

Got this beautiful thang today :heart_eyes:

Oh yeah , also this ridiculously long 6 D cell Maglight . Hard to believe this isn’t the longest they made :slight_smile: It makes me giggle lookin at it :person_facepalming:

Says they tested with 2x 5000mAh 21700 so that’s 37Wh

Also says Turbo is 1.5h runtime so on average it would be using 25W.

Nothing is doing 9000 lumens for 25W so they are not mentioning that Turbo means X seconds or minutes at XXXX lumens then the power is cut down a LOT but they keep counting the runtime on low power as “Turbo”.

4x SST40 can do 9000 lumens if the batteries can do over 12A in series for 90-100W which would suck the batteries dry in 20 minutes while burning your hand so instead it will do that for a short period then as the torch gets hot (won’t take long) it will cut the power down.

So for a short time, yes, it should do 9000 lumens.

Well step-down is no surprise; I’m familiar with the BS that is ANSI standards. I was just curious whether this could even hit that max output figure. Sounds like it should theoretically be able to. Thanks for the answer! :beer:

EDIT: Oh, hold up. The batteries are rewrapped Lishens (LR2170SD) so they are rated at 9.6 amps. I guess the light may under-perform with these cells. It may be two 21700s and a spring bypass away from greatenes

I was making fun of this today . But after having carried it it the woods and along the bike trail , I find it an oddly ,satisfyingly , legal club which is very comforting out in the dark places . It’s also a pretty decent light . I retract my ridicule. :slight_smile:

Is that sucker incandescent?

Dick all today or tomorrow or the next day! :laughing:

No it’s a new one with led. I bought it as a joke , but I kinda like it :wink:

Is it the ML300L? I see a there is a flashlight enthusiast review over here. That is a LONG runtime test. Neat that it can maintain 100% output for about 18hrs even if the max output isn’t crazy high. Definitely a light for someone worried about sustainable output rather than maximum output or ergonomics.

Yes the ML300L. it doesn’t drop down , but I think they rate it at just under 700 lumens . Aside from the ugly dark spider web lookin dark spot in the beam , which is easy enough to get rid of , it’s got a very practical and usable beam to it . It’s also an awesome club !

Olight Ti S Mini

Opple Pro test results on Moonlight level:
CCT 4700K
CRI Ra 66
Tint DUV 0.0105
Average Flicker 520Hz

Guess you like play Baseball :wink:
Kidding apart how much far throw this incandescent beast with 6D cell in series?

I wouldn’t be surprised if even LEDs with negative DUV turn much positive when measured at so low currents like moon and firefly mode,we lack often this info.

Here are the 4 modes of the Ti S Mini…

you can see the little dot, and the DUV numbers, all stay above the BBL.

The range from lowest to highest DUV is only 12%… not a significant change:


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Guess you like play Baseball :wink:
Kidding apart how much far throw this incandescent beast with 6D cell in series?
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They say 415 m throw . It’s got a large spill area. Not incandescent.

Well, you know that some LEDs have less or greater excursion in tint shift ,like the SST20. Maybe it’s impression but on my 2700k samples DUV increase much more at moon or firefly modes

Single use club. You give anyone the good news with it and it’s gonna bend on account of being a thin walled aluminium tube thats weighted with batteries.

Still better than no club at all.