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300mw Diy Ir laser and Ir designator build.

Discussion in 'Night Vision Optics and Illumination' started by kenhawker, Jun 2, 2012.

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  1. adrianc

    adrianc Newbie

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    hi how does this one 300mw Diy Ir laser compare to the n1000
    thanks ade
     
  2. kenhawker

    kenhawker Honorary Member

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    I couldn't say mate as I've never used a n1000.

    Atb

    Ken
     
  3. dave goodall

    dave goodall Donator

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    Did this sell mate
     
  4. kenhawker

    kenhawker Honorary Member

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    Yes mate it did.

    ken
     
  5. dave goodall

    dave goodall Donator

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    no probs ** ive got the l808 now no go with my gen 1 but thanks for letting me no i thought it would have gone fast
     
  6. johnnyrebel

    johnnyrebel Member

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    Hi all, just finished my nv and i'm happy with the results,however the 808nm laser seems at it's capacity at around 60 yds and thats ok for my kind of shooting, but at shorter ranges with the beam on spread, the target is almost"camouflaged" by the venetian blind type marks from the ir laser.I was wondering how the laser designator beam performed Ken, is it clean? . Also congratulations on a brilliant thread, it's saved me a fortune (under £80 so far) and it's been interesting as well,....thanks ....john
     
  7. kenhawker

    kenhawker Honorary Member

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    The designator spreads the beam more than just the normal laser beam. I use a 808nm myself. Yet nine mine does have the pillobox effect it is still quite a decent beam. With my setup I get 200 yards easy.
     
  8. billboat10

    billboat10 Well-Known Member

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    what is the difference between the 2 you have built im need one ir for use with a nv on back of scope whitch one is the best do you think
     
  9. johnnyrebel

    johnnyrebel Member

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    So ken, does the designator magnify the laser and the "letterbox" effect as well?, which would mean that the clear areas also get magnified , that sorta makes sense..... can feel another order to taiwong coming on, unless anyone can suggest a uk site?.Thanks for the quick reply....john
     
  10. kenhawker

    kenhawker Honorary Member

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    If you use a focusing laser the designator housing will magnify the spot or flood. Depending how the lasers focus is set. Personally I would look into the ir led and driver with the voltage reduction driver. These when fitted into a maglight with a 50mm convexed lens give off a very clean light that surpasses a ir laser.
    Or you could use a 200mw 808nm laser, it works for me.
     
  11. furyan

    furyan Well-Known Member

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    What distance can you see with your DIY set ups , brilliant thread

    fuyran
     
  12. kenhawker

    kenhawker Honorary Member

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    I get about 200yards. Depending on the scope. The lowest mag will give the best results. A 3-9x50 ao will give good around results.
     
  13. furyan

    furyan Well-Known Member

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    Many thanks , Ive just seen the set up mazperks has done impressed, ill have to make one now lol
     
  14. 007Dave

    007Dave Well-Known Member

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    has any one tryed these from securitycamera2000.com
    it says <5w (50m), seems very strong for a lazer illuminator
    they do have a <3w (30m)version
    seems you can focus it, but i think its internal?
     
  15. kenhawker

    kenhawker Honorary Member

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    Nice find Dave They look a bit powerful.
     
  16. mozie

    mozie Member

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    hiya ** great tutorial on how to do the mods etc.

    did you know that the green laser is able to give off ir illumination of 808nm most of the green lasrs use 532nm green by doing 1 simple thing it will be ir and can be used with alot of night vision like monoculars and night vision cameras alike

    the way you dop it is take top top off the laser ie the front were the beam comes from look down inside theres a black tube with a lense ontop, unscrew (maybe tight due to thread lock) once that is off look inside again youll see anoither small lense on top of a brass circular raised piece with a slot in it, take a flt head screw driver pop that off and try you will have an ir at 808nm but it will be a small spot which then can be altered by using small optics preferably an aspheric lense, if you have the tools ie lathe etc you can mod even further by making it focusable by adding a few more bits so you can adjust from spot to beam etc..
     
  17. kenhawker

    kenhawker Honorary Member

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    Lol yeah I know. The wave length would depend on what end of the ir spectrum the ir diode is.
     
  18. ThrMrnewbie

    ThrMrnewbie Newbie

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    Nice project Ken, thanks for outlining the build. I'm gonna make one of these things...

    How long do the batteries last?

    Has anyone with the camera setup and battery pack, ran the laser over to the same big 6800mh battery by use of a voltage reg to drop it down to the required voltage..example 7803 volt reg..with a diode to drop the other .5v or so..?

    I hate buying batteries
     
  19. ThrMrnewbie

    ThrMrnewbie Newbie

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  20. tvolke

    tvolke Member

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