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Thread: Surefire L4, 120 lumens improved version

  1. #1

    Smile Surefire L4, 120 lumens improved version

    This is 2009, 120 lumens Surefire L4, it is the improved version, I think only the LED and circuit changed; besides, it looks exactly same as the previous version.



    This New L4 has a SSC emitter installed, and there is a “B” printed on the head ahead the serial number.

    Lux reading: 3750 lux

    Beamshots: Old (100 lum) vs. New (120 lum)

    5m: left, 100 lum L4; right, 120 lum L4


    10m: left, 100 lum L4; right, 120 lum L4


    Some observations:
    Output: surefire still under estimated the output of this new L4, judged from the ceiling bounce test, the total output was identical to E2DL.

    Beam: the beam pattern is very nice, very smooth with noticeable hotspot, and brighter wide spill. No artificial ring, no donut. Although the throw is improved in this new L4, I would think it’s still the wall of light.

    Tint: Mine looks like cool white, if compared to other lights with warmer tint, it looks a little purplish, I like this tint, and at least it is not greenish.

    Runtime: 120 vs. 100 lumens


    The runtime has also been improved in this 120 lum version, however, the performance of using 14650 is not well, so the TW4 setup still works, jut not as bright as using two primary cells.

    This new L4 has a great improvement compared to the previous version in output, beam pattern, and runtime. It has a nice flood beam combined with decent throw, this is good for either indoors or outdoors. However, if SF can make a 2-stages version, that would be better, at least, for me.

    This new L4 also been well discussed in this thread, http://www.candlepowerforums.com/vb/...d.php?t=218892
    Last edited by Chao; 12-10-2009 at 10:33 PM. Reason: Add words
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  2. #2
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    Kiessling's Avatar
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    Default Re: Surefire L4, 120 lumens improved version

    Moved to reviews.

    I don't see no left and right ... just ne runtime graph and one each beamshots. Something wrong with th epics or did I understand something wrong?

    BTW ... got mine, too, and I think it lost some of its floodiness, but the beam is still not throwy and quite bright.

    bernie
    There is a type of perfection that transcends the quest for lumens. Buying a $250 1-cell light for "lum factor" is like buying a $250 single malt Scotch for the alcohol content.
    - paulr


    It's always darkest just before it goes pitch black.
    My shoes are too tight. But it doesn't matter, because I have forgotten how to dance.

  3. #3

    Default Re: Surefire L4, 120 lumens improved version

    oops, sorry for that, I made some changes of the figures, hope its clear now.
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  4. #4
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    Default Re: Surefire L4, 120 lumens improved version

    Yes, now they show. Thanx !

    Great runtime there. I like it.

    Although my KL4A has the "B" instead of and not in addition to the "A" letter.

    I admti though that I would heva preferred the light to retain the flood character it had. Not that it is a bad light like that, but it has a more pronounced spot.

    bernie
    There is a type of perfection that transcends the quest for lumens. Buying a $250 1-cell light for "lum factor" is like buying a $250 single malt Scotch for the alcohol content.
    - paulr


    It's always darkest just before it goes pitch black.
    My shoes are too tight. But it doesn't matter, because I have forgotten how to dance.

  5. #5
    Flashaholic* Search's Avatar
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    Default Re: Surefire L4, 120 lumens improved version

    Ahhh!!

    I was going to buy an L4 in the next few weeks due to the "wall of light" tag it has.

    When I saw the 120 lumens improved performance I figured it would be just as floody but brighter.


    Anyway anyone can give some outdoor beamshots comparing the flood of the two? So I can see if I need to find a used one or if this new one is still pretty floody.

    The hallway beamshot didn't help because it wasn't open, but from what I could tell it still has as much side spill with a brighter hotspot, is this an accurate description?


  6. #6
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    Default Re: Surefire L4, 120 lumens improved version

    oh wow... finally a review...thanks chao once again..

  7. #7
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    Default Re: Surefire L4, 120 lumens improved version

    Chao,

    Thanks for the beamshots. How hot does this new Surefire L4 get in your hand when it's been on for several minutes?
    Your word is a lamp to guide my feet and a light for my path. ----- Psalm 119:105 (New Living Translation)

  8. #8
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    Default Re: Surefire L4, 120 lumens improved version

    It gets warm but not hot as the old model. Think E2DL. As the runtime is similar, output and heat should be, too, on a theoretical level.

    I think the important positive factor is the significant increase in runtime and reduction of heat as well as brighter output. The beam pattern is not the same as it was, but it is still a very attractive general purpose beam.

    IMHO they should have renamed the light to avoid confusion. But that is just me.

    It is a very simple light, like the old one. On and off. I like that.
    There is a type of perfection that transcends the quest for lumens. Buying a $250 1-cell light for "lum factor" is like buying a $250 single malt Scotch for the alcohol content.
    - paulr


    It's always darkest just before it goes pitch black.
    My shoes are too tight. But it doesn't matter, because I have forgotten how to dance.

  9. #9

    Default Re: Surefire L4, 120 lumens improved version

    Quote Originally Posted by Search View Post
    Anyway anyone can give some outdoor beamshots comparing the flood of the two? So I can see if I need to find a used one or if this new one is still pretty floody.

    The hallway beamshot didn't help because it wasn't open, but from what I could tell it still has as much side spill with a brighter hotspot, is this an accurate description?
    I found a thread has L4 outdoor beamshot that showed the nice floody, though its 100 lumens versions. http://www.candlepowerforums.com/vb/...d.php?t=211633
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  10. #10
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    Default Re: Surefire L4, 120 lumens improved version

    Does anybody know if you can use IMR16340 cells with this light?

  11. #11

    Default Re: Surefire L4, 120 lumens improved version

    Thanks for the comparison review Chao, very useful.

    The use of the SSC makes sense for a general purpose beam. My old LuxV L2 still sits in my desk drawer, but doesn't see much action anymore (like the flood, but not the heat or donut hole).
    Full list of all my reviews: flashlightreviews.ca. Latest hobby: whiskyanalysis.com. New: Selfbuilt's Spring 2018 Sale
    Gratefully accepting donations to my battery fund.

  12. #12
    Flashaholic* Search's Avatar
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    Default Re: Surefire L4, 120 lumens improved version

    Quote Originally Posted by Chao View Post
    I found a thread has L4 outdoor beamshot that showed the nice floody, though its 100 lumens versions. http://www.candlepowerforums.com/vb/...d.php?t=211633


    I've seen those, I wasn't clear though.

    I was curious if you could take some beamshots of the two so I could see the difference.

    A comparison other than the hall because it doesn't allow you to see the whole picture.


  13. #13
    Flashaholic henry1960's Avatar
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    Default Re: Surefire L4, 120 lumens improved version

    How would this new L4 2009 compare to the E2D?

    Is the new L4 2009 Brighter and more throw then the E2D?
    Thanks, Henry

  14. #14

    Default Re: Surefire L4, 120 lumens improved version

    Quote Originally Posted by henry1960 View Post
    How would this new L4 2009 compare to the E2D?

    Is the new L4 2009 Brighter and more throw then the E2D?
    Thanks, Henry
    This 120 lumens L4 is brighter than the E2D with MN03 lamp, and also has more throw in my test (L4 3750 lux, E2D 2400 lux)
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  15. #15
    Flashaholic henry1960's Avatar
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    Default Re: Surefire L4, 120 lumens improved version

    Chao,

    Thankyou for that info.....Henry

  16. #16
    *Flashaholic* toby_pra's Avatar
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    Default Re: Surefire L4, 120 lumens improved version

    Very nice Review!

  17. #17

    Default Re: Surefire L4, 120 lumens improved version

    If this new L4 has the same light output on a ceiling bounce test as a E2DL then is it safe to say it's a 200 lumen light?
    Take care

  18. #18
    *Flashaholic* greenLED's Avatar
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    Default Re: Surefire L4, 120 lumens improved version

    Any heat issues? One reason I never got an L4 was the excessive heat.

  19. #19

    Default Re: Surefire L4, 120 lumens improved version

    Quote Originally Posted by 1996alnl View Post
    If this new L4 has the same light output on a ceiling bounce test as a E2DL then is it safe to say it's a 200 lumen light?
    I am not sure whether my E2DL has 200 lumens, just know they have same output in my celiling bounch test.

    Quote Originally Posted by greenLED View Post
    Any heat issues? One reason I never got an L4 was the excessive heat.
    I ran my old and this new L4 together, and after 7 min, the old L4 was getting hot as expected, the new L4 was just warm.
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  20. #20

    Default Re: Surefire L4, 120 lumens improved version

    Chao, MrGman tested a E2DL in a lab sphere awhile back and it put out just over 200 actual lumens.
    This light is a real powerhouse.

    Go to the LED light section. The thread is stickied on the top with all his results.
    Take care

  21. #21

    Default Re: Surefire L4, 120 lumens improved version

    Quote Originally Posted by 1996alnl View Post
    Chao, MrGman tested a E2DL in a lab sphere awhile back and it put out just over 200 actual lumens.
    This light is a real powerhouse.

    Go to the LED light section. The thread is stickied on the top with all his results.
    Cool! I know that thread, just don't know when the E2DL data was updated in, see it now, thanks 1996alnl.
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  22. #22
    *Flashaholic* Patriot's Avatar
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    Default Re: Surefire L4, 120 lumens improved version

    Very nice review. It would be interesting to see the new L4 compared with the E2DL now. Is it safe to assume that the L4 is the only surefire light that's using the SCC LED? It seems that all the rest have been Cree based.

    Outstanding beam quality imo. It's still reasonably floody and zero donut effect!

  23. #23

    Default Re: Surefire L4, 120 lumens improved version

    So as i understand it this newer L4 doesn't like single cell Li-on.
    Too bad,i would of bought one if it was just as bright with a 17670 cell.

    Anyone tried theirs with 16340's?
    Take care

  24. #24
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    Default Re: Surefire L4, 120 lumens improved version

    Maybe I missed it ,But what is the run time

  25. #25
    *Flashaholic* Patriot's Avatar
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    Default Re: Surefire L4, 120 lumens improved version

    Quote Originally Posted by boness View Post
    Maybe I missed it ,But what is the run time

    The detailed run-time graphs are in the first post.

  26. #26
    Flashaholic henry1960's Avatar
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    Default Re: Surefire L4, 120 lumens improved version

    Two Hours.......

  27. #27
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    Default Re: Surefire L4, 120 lumens improved version

    Quote Originally Posted by Patriot View Post
    Very nice review. It would be interesting to see the new L4 compared with the E2DL now. Is it safe to assume that the L4 is the only surefire light that's using the SCC LED? It seems that all the rest have been Cree based.

    Outstanding beam quality imo. It's still reasonably floody and zero donut effect!
    All of the SF lights that use a reflector are now using the SCC LED. L5, C2L, 6PL, etc. That is except for the L7, L2, which use Lux V. Not sure about Kroma.

    Bill

    Bill

  28. #28
    Flashaholic* :)>'s Avatar
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    Default Re: Surefire L4, 120 lumens improved version

    I checked mine against my Ra Clicky 140n and the L4 is maybe a tad brighter than the Ra 140 on burst... they look pretty darn close.
    -Goatee

  29. #29
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    Default Re: Surefire L4, 120 lumens improved version

    ah screw you guys. Now I want a new L4.

    thanks a lot.
    "a government and its agents are under no general duty to provide public services, such as police protection, to any particular individual citizen." -Warren vs District of Columbia, after three women were raped, beaten for 14 hours and police never came after numerous 911 calls were placed

  30. #30

    Default Re: Surefire L4, 120 lumens improved version

    Yeah, no kidding 270, that's why I bought one from the poster right above you tonight! I need another surefire like a large 45 caliber hydra shok hole in the head but who can resist? All my other Surefires are TIR, so I figured I "need" an L4 just to see what they are like.

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