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Callipers & Mamba Lite - Anyone?

Discussion in 'Night Vision Optics and Illumination' started by BarneyC, Jan 30, 2014.

  1. BarneyC

    BarneyC Donator

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    Hey all.

    Trying to get all the bits together for my NV homebrew. So close and yet so far. Bought the wrong BNC - RCA adapter so awaiting one of those.

    Bought a bunch of plumbing fittings to mount camera and nothing will go over the eye-relief knurled bit on the back of my Mamba Lite. Don't suppose any Mamba Lite owners happen to have some callipers and can measure that bit for me could they? Need to fit a pushfit of the right diameter.

    Cheers
     
  2. BarneyC

    BarneyC Donator

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  3. sillygarry

    sillygarry Posting Addict

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    hi barney
    if you get a 1.1/2" to1.1/4" universal compression straight coupling it will fit. it's the one i use (see my n/vision set up post) the big nut on the left screws up tight to any scope
     
  4. dave777

    dave777 Member

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    hi barney I just orderd one of them of the bay
     
  5. BarneyC

    BarneyC Donator

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    Garry - seriously?
     
  6. BarneyC

    BarneyC Donator

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    Dave - the silicone? To fit a mamba? Which I had an accurate measurement
     
  7. BarneyC

    BarneyC Donator

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    Garry the 1.5" is only 38mm and the mamba is well over 40mm for sure as my push fit doesn't well.. fit.
     
  8. Chippy1988

    Chippy1988 Busy Member

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    ive used 40mm silicone hose on my mamba lite, I carefully opened the inner diameter to the first layer or mesh, and its a firm fit. I do however use a jubelee clip with a thumbturn to make sure it doesnt move.

    Ps just put my calipers over the eyepiece adjuster and measures just over 45mm
    hope this helps

    James
     
  9. sillygarry

    sillygarry Posting Addict

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    Here it is the fitting is designed to fit larger pipes up to 44mm so if your scope is bigger than that it a telescope for looking at stars:)
     

    Attached Files:

  10. SteveO

    SteveO Top Poster

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    If the scope is 40mm go for a 45mm silicone hose, the hoses are not always accurate on the ID, the 40mm I bought was 37mm ID.... useless!

    A 45mm hose easily reduces down to 40mm using a wing screw hose clip.
     
  11. BarneyC

    BarneyC Donator

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    Thanks all for measurements and such.

    Garry where did you find a compression joint in 45mm? S quick interwebs trawl and I couldn't see anything beyond 40mm
     
  12. BarneyC

    BarneyC Donator

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    Tried the local builder's merchant and they couldn't offer up anything over 40mm so to the bay and a 45mm silicone reducer ordered.

    Fingers well crossed.
     
  13. nobbybonez

    nobbybonez Busy Member

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    Location:
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    45mm silicone tube fits the mamba lite 3-12, i have a wrap of electrical tape further up towards the objective end of the eyebell to keep it steady.
     
  14. BarneyC

    BarneyC Donator

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    Cool. Then next week the whole kit gets assembled
     

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