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Thread: My Surefire E1B Backup (Beamshots and runtime)

  1. #1

    Default My Surefire E1B Backup (Beamshots and runtime)


    Just got my surefire E1B backup light today from batteryjunction, here are my quick beamshots and runtime test.

    Lux readings at 1m: Hi 3900 lux, Low 232 lux (my L1 cree version: Hi 3380 lux, low 410 lux),

    5m beamshots, left: E1B, right: L1 Cree


    10m beamshots, left: E1B, right: L1 Cree


    10m targets


    Runtime graph (high level):


    Show L1 runtime again for compare



    I roughly estimated the total output is around 80 lum, same as my 65 lum L1.
    Because I just got this light, not have comments right now, but one thing strange is the head bezel can be opened easily, I think it was not sealed, so my backup light is focusable, the throw can be changed from 3000 lux to 3600 lux.


    E1B-low (5 lum) vs. ARC-P (5.5 lum)


    02/25/08 update............................................ ...................
    Got my #2 E1B, because my #1 E1B bezel was not sealed, I am not sure whether the light was in good focal point when I took shots, so I took new beamshots for my #2 E1B, and updated the shots and readings above.
    Last edited by Chao; 02-26-2008 at 09:14 AM. Reason: Update pics
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  2. #2
    Flashaholic* skalomax's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Awesome work, chao!
    I miss my Milkmods.

  3. #3
    Flashaholic* WadeF's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Thanks for the review and info chao! The bezel on my E1B won't budge... Even with my rubber strap wrenches.
    Facebook: Wade Fulp - Follow me on Twitter! @flashlightguy and my main feed @WadeFulp Google+ PROFILE

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    Flashaholic* LA OZ's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Thank you. That is a great runtime for one cell light.

  5. #5
    *Flashaholic* this_is_nascar's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Thanks for sharing. I"m glad to see your 1-hour and 20-minutes plot for constant regulation. That's what I acheived on my 1st unit as well.
    ... it's not what you take when you leave this world behind you, It's what you leave behind you when you go.

  6. #6

    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Thanks - its nice to see the size comparison with the L1. I thought they were about the same size but the E1B is a bit smaller.

  7. #7

    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Quote Originally Posted by this_is_nascar View Post
    Thanks for sharing. I"m glad to see your 1-hour and 20-minutes plot for constant regulation. That's what I acheived on my 1st unit as well.
    Thanks everyone, Yes, my E1B also keep good constant regulation for 80 min.

    Quote Originally Posted by WadeF View Post
    The bezel on my E1B won't budge... Even with my rubber strap wrenches.
    Hi WadeF, thanks for tell me this.
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  8. #8
    Flashaholic* Chronos's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Great job! Great light too.

    FWIW the bezel on my E1B does open easily, like yours. I'm tempted to pick up another McR19-XR just for this little beauty of a light.
    A few favorite lights from: McGizmo, Data, milkyspit, HDS, and Surefire

  9. #9

    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Good review, Thanks for taking the time.
    What a great day to be outside.

  10. #10

    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Add a picture of E1B-low (5 lum) vs. ARC-P (5.5 lum), both have similar output, E1B has more throw, ARC-P as you know has good spill.
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  11. #11
    Flashaholic* nanotech17's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Hi Chao,
    nice reviews.
    how's the switch on the E1B?
    forward clicky or the same as the L1 Cree?



  12. #12
    Flashaholic Geode's Avatar
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    Thumbs up Re: My Surefire E1B Backup (Beamshots and runtime)

    Thanks very much for the review!

    How does the ease of going back and forth between 2 levels compare between the EIB and L1? I am thinking about buying one of these small lights or the new E2L Outdoorsman with two levels, but have not been able to find much discussion about how user-friendly the two level switching is.

    Whatever comments you (or anyone else) has would be appreciated.

  13. #13
    Flashaholic* Beastmaster's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Quote Originally Posted by WadeF View Post
    Thanks for the review and info chao! The bezel on my E1B won't budge... Even with my rubber strap wrenches.
    Huh. Mine does (sn A00901). Took two Lance Armstrong LiveStrong bracelets and two towels to protect my hands. Came right apart.

    So did my KX1 head in the same way.

    -Steve
    Laser Products/SF 6P/3P/9Z (w/LED), SF 6P/G2/Z2 (w/LED), SF 8X/LED, SF E1e/E2e/E1B, SF/Aleph/VG KL4/TLS, TW4, K2-Shorty, Novatac 120P, PentagonLight MOLLE, & SL PT1L Home of the BMX80 LED Assembly

  14. #14

    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Quote Originally Posted by nanotech17 View Post
    Hi Chao,
    nice reviews.
    how's the switch on the E1B?
    forward clicky or the same as the L1 Cree?
    Hi nano, yes, E1B use forward clicky, mine works well so far, I like the smooth surface without knurling, but if you don't like it, all E-series tail cap can fit.
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  15. #15

    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Quote Originally Posted by Geode View Post
    Thanks very much for the review!

    How does the ease of going back and forth between 2 levels compare between the EIB and L1? I am thinking about buying one of these small lights or the new E2L Outdoorsman with two levels, but have not been able to find much discussion about how user-friendly the two level switching is.

    Whatever comments you (or anyone else) has would be appreciated.
    I would think the twist tail cap in L1 is more convenient than clicky in E1B for select between 2 levels, however, E1B only has 2 levels, it's not bother me, and I like the E1B goes high first when click on.
    Last edited by Chao; 03-05-2008 at 12:36 PM.
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  16. #16

    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Add a picture of my E1B backup with Z61 tailcap
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  17. #17
    Flashaholic* Barbarian's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    If you had to choose one of the 2 lights, which one would it be?


  18. #18
    *Flashaholic* this_is_nascar's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Quote Originally Posted by Barbarian View Post
    If you had to choose one of the 2 lights, which one would it be?
    I'm assuming you mean the E1B or the L1? Is so, I'd take the L1. It seems that most people that are "in love" with the E1B mostly rave about the reversable clip. In my case, that's not a big deal to me that it's reversable.
    ... it's not what you take when you leave this world behind you, It's what you leave behind you when you go.

  19. #19
    Flashaholic* Barbarian's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Quote Originally Posted by this_is_nascar View Post
    I'm assuming you mean the E1B or the L1? Is so, I'd take the L1. It seems that most people that are "in love" with the E1B mostly rave about the reversable clip. In my case, that's not a big deal to me that it's reversable.
    I did. Thanks for your opinion. I already own the L1 and I am considering the E1B because it is shorter and has higher lumen output, but apparently it is not noticebly brighter than the L1.

    I actually would prefer a short clipless light that is easier to put into a pocket instead of clipping to a pocket.


  20. #20
    Flashaholic* powernoodle's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    I much prefer a clicky over a twisty, so for me the L1 has never been on the agenda. For the same reason, the E1B looks promising.

    Not that I need another light.

  21. #21

    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    I actually like the clicky and the small size of E1B for EDC, however, I have 4 L1 (old and new), I Love L1 very much, maybe I still need time to enjoy my E1B, but I still like L1 more so far.
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  22. #22
    Flashaholic* LA OZ's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    I did a runtime on Max with a LIFePO4 500mAh rechargeable. It ran for about 35min Max and rapidly drop off. Not bad consider the L1 Cree will only ran for 25min.

  23. #23

    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Quote Originally Posted by LA OZ View Post
    I did a runtime on Max with a LIFePO4 500mAh rechargeable. It ran for about 35min Max and rapidly drop off. Not bad consider the L1 Cree will only ran for 25min.
    Good to know, thanks for the test.
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  24. #24

    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    LA OZ - If I understand correctly, the L1 Cree and E1B both can run on LiFePO4 rechargeables? What brand do you use?

    Chao - thanks for the beamshots - always helpful and appreciated!!

  25. #25
    Flashaholic* LA OZ's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Yes, these rechargeable come out of the special charger at about 3.2V so it is equivalent to the standard CR123s. Its capacity is smaller than the standard cells by a few folds. Although it said 500mah but It is more like 325mah. You can get them from Dealextreme.com. They are about $6 for 2.

  26. #26

    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    I finally love this E1B tailcap, when click it on, and shake the light or just shake the tailcap, no more noise can be heard .
    If the new 2008 E1L/E2L/E2D tailcap has same improvement, that would be great!
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  27. #27

    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    I got my second E1B , because my first E1B bezel can be opened, I am going to mod it.
    My #2 E1B has more throw than #1 unit, I got 3900 lux at 1m (4000 lux in very beginning). The origional shots and readings of my #1 E1B might not in good focal point, so I updated beamshots and readings in the #1 post.
    Welcome to take a look at my beamshots at 5m ,10m distance and lux readings

  28. #28
    Unenlightened
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    Shrug Re: My Surefire E1B Backup (Beamshots and runtime)

    How many batteries does this backup take? Is it worth the price point of $110???

  29. #29
    *Flashaholic* this_is_nascar's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Quote Originally Posted by Sloman View Post
    How many batteries does this backup take? Is it worth the price point of $110???
    It takes 1xCR123 cells. Look around. You should be able to acquire one at less than MSRP.
    ... it's not what you take when you leave this world behind you, It's what you leave behind you when you go.

  30. #30
    Flashaholic* BigHonu's Avatar
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    Default Re: My Surefire E1B Backup (Beamshots and runtime)

    Chao,

    How do you change the focus of the optic?

    Do you screw in the bezel (optic moves closer to LED) for a tighter spot and unscrew (optic moves further away from the LED) for a more diffuse beam?

    Thanks!
    Brian

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