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struggling with the set up camera etc

Discussion in 'Night Vision Optics' started by simon180399, May 2, 2012.

  1. simon180399

    simon180399 Post Whore

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    hello all,
    all the bits apart from the 16mm lens and battery pack have turned up, all is working as it should but im having a few problems.

    firstly when i put the camera in the waste pipe that's pushed onto the scope all im getting is an image that's about as big as a 5p piece on the screen, and to get that tiny image the camera is about 12 inches away from the screen, i know im not using the 16mm but im experimenting.

    secondly when the camera is looking through the tube the image is really bright, as if its looking at the sun, i cant see any detail at all just a circle of white light, ive tried adjusting the brightness, contrast etc but its still the same.

    are these problems because ive still got the 3.6mm lens on or am i doing something wrong?

    these are the item nos of the camera and lcd

    260993077568
    260991725910

    please help as its really frustrating me
    simon
     
  2. some bloke

    some bloke Busy Member

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    From the screen or the eyebell?

    You need to start at about 2"~3" away from the occular lens and adjust distance as needed to get the image as good as you can. That lens is seeing too much either side of what you want it to see.
     
    Last edited: May 2, 2012
  3. simon180399

    simon180399 Post Whore

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    i meant eyeball/eyepiece of the scope, sorry

    ive managed to decrease the distance between the camera and eyebell to approx 8 inches, i have a clear image in my shed but as soon as i put it outside im just getting masses of white light on the lcd and cant see hardly anything but light.
     
  4. JimmyRiddle

    JimmyRiddle Engaging Member

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    If you've only got a small image circle with black around it the camera will adjust the exposure for the dark area, making the image too bright. Your 16mm lens will sort it.

    Also the distance between your camera and scope should be, at most, the eye relief distance of the scope.

    hth.
     
  5. pestie

    pestie Engaging Member

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    put it away until you get your 16mm lens, all that you have explained is because your using the lens that came in the camera, wait,be patient, It'll work pukka once your other lens arrives
     
  6. nobbybonez

    nobbybonez Busy Member

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    wait for the lens, dont beat yourself up. a 3.5 mm lens aint gonna cut it.
     
  7. simon180399

    simon180399 Post Whore

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    thanks fellas, its just im like a kid with a new toy lol

    hopefully it'll be here tommorow

    i might get another one of these cams for the garden to protect my shed/tools as i like them and the pic quality is better than i thought.

    thanks again simon
     
  8. kenhawker

    kenhawker Honorary Member

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    Is the spot in the middle of the lcd tho lol. You don't get much from a 3.6mm lens do you bud. You will see a massive difference with the 16mm mate.

    Ken.
     
  9. simon180399

    simon180399 Post Whore

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    yes ken ive managed to centre the 'spot' im just hoping the new lens turns up today, im only waiting for that and the battery pack now.

    cheers mate and thanks for your help with this little project

    simon
     
  10. SAVAGE HMR

    SAVAGE HMR Active Member

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    I'd quite like to see what your set-up looks like when it's finished mate.
    Great to see some footage too, see how it performs in the field.
    I've been thinking about making myself one of these for a while but I'm
    not sure I have the 'know how' to build it.
    I'm certainly not keen on paying for one of the ready built units at £400
     
  11. hun73r666

    hun73r666 Keyboard Hero

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    Here you go. This video was shot with the lens set to about 20mm I would guess. I have since brought it back out to about 16mm which does let more light through and give an overall bett picture. Sadly havnt managed to nail a rat with the new setting but will post as soon as I do!

    http://www.youtube.com/watch?v=seA3bBP0bN4

    http://www.youtube.com/watch?v=ZAzAQ_TjLr4

     
  12. kenhawker

    kenhawker Honorary Member

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    Has the postman been yet Simon?.
     
  13. simon180399

    simon180399 Post Whore

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    no ken, the lazy t--t dosent come now till mid afternoon.

    anyway on another note how effective will the 24 led i/r array on the camera be as an illuminator?

    as it seems daft binning it as i would of thought the current drain will be a lot less than my logun light.

    any thoughts?
     
  14. pestie

    pestie Engaging Member

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    I dont think it'll give you any distance, as its the same as cctv on my house, only good to around 30-40ft
     
  15. pestie

    pestie Engaging Member

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    of course you have, both vids show a good hit, irrelivant if you found them or not,
     
  16. hun73r666

    hun73r666 Keyboard Hero

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    I was sure I hit both of them in those vids. But what I ment was I havnt hit anything since I adjusted the lens on the camera.

    Although after sitting out last night, I am questioning whether I hit the rat that ran off! I think he is the only one left under my shed now. I saw him last night (I think) and although it was pitch black he was so cautious of feeding on the bait I didnt get chance to get a shot on him. Nothing else would have made him this cautious I dont think.

    I cant imagine that if that shot hit him in the head or neck that he would be alive now. I also am convinced that this over cautious rat is him!

    Well now the challenge is set! Watch this space!

    I will upload the video of him last night and you will see what I mean.

     
    Last edited: May 3, 2012
  17. kev1065

    kev1065 Post Whore

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    ive hit rats too that seem to defy logic they get hit roll over then run away damn Hungarian rats lol
     
  18. simon180399

    simon180399 Post Whore

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    right well the last two bits have arrived and ive mounted the 16mm lens and that is mounted on the tube that goes over the eyebell end of the scope, the problem im now having though is focusing, i can foccus on a chimney so 80 odd yards away but its really blurry at 10-20ft , ive done the measuring at 16 inches from my face and got a crisp pic (surprised the camera works after that) but still struggling to acheive focus at close range also the distance from the eyebell to the camera is still about 8 inches which in an ideal world is too long.

    also if i put epoxy resin on the circuit board is it likely to damage it?

    any suggestions
     
    Last edited: May 3, 2012
  19. kenhawker

    kenhawker Honorary Member

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    What scope are you using bud.
    The cameras lens should be sitting where your eye would be. This is normally 3" from the scopes lens. Thats why I said you need a 3" spacer on the build instructions. When I added my 16mm fixed lens I only had to turn it by 3 turns.
    To help focus the camera take the rifle and lay it on its side, make sure you've the cam stripped so that you can turn the lens. Everything needs to be switched on. Lay the camera inline with the scope with the scope. You need to be able to turn the lens so that you can focus the cam lens to the crosshares. Now make the spacer to fit in the gap between the camera and the scope. Now reasemble. If you still having problems pm me your number and ile get back to you.

    Ken
     
  20. pestie

    pestie Engaging Member

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    you are using a parellex scope ar'nt you?
     

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