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Who's been a silly boy then!!

Discussion in 'Anything Airgun Related' started by neiled, Jan 21, 2014.

  1. neiled

    neiled Donator

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    And the answer is........ME! :down:

    My Hawke Nite Eye Digi IR 3-12x50 SF scope started playing up as the IR was staying on red and wouldn't switch to blue or turn off so I tried the obvious and change the battery to no avail. Then after asking for advise I decided to give the IR switch PCB a good clean, again no good so I then tried cleaning it with some WD40, resulting in the WD40 getting inside the scope on to the lens! :facepalm:

    I spoke to Hawke who told me how to open the ocular lens up but that they couldn't do anything internally on scopes as they can't clean lenses to a high enough standard so I opened it up and tried drying it with a hair dryer, no good, so ended up wiping it with some kitchen cloth resulting in a smeared lens with fibre strands on it! So, does anyone know how to get the strands off and clean it properly or anywhere I can get it done, otherwise it's in the bin?
     
  2. Kenbarcon

    Kenbarcon Donator

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    Take it to an opticians
     
  3. Andy

    Andy Administrative Staff Member Founder

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    Use a proper lint free cloth with some optical lens cleaner.
     
  4. neiled

    neiled Donator

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    Thanks lads, I'll have a look at both options.
     
  5. jjones

    jjones Well-Known Member

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    who will give it a rub with that purple methylated spirits and then rub it with a lens cleaning cloth (your granny will have one).
     
  6. 177

    177 Donator

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    Your scope will probably fog in poor weather if it's lost its gas fill...
     
  7. neiled

    neiled Donator

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    Is the rear end of the scope gas filled as I thought it was only the central sealed part?
     
  8. gasman

    gasman Up a bit,,,,,,,

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    :confused: how would changing batt and cleaning ir switch cause lens fogging? inside should be totally sealed
     
  9. gasman

    gasman Up a bit,,,,,,,

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    its all filled, I'd send it back,i've had a panorama go sent it back, bloke down or club ,talking to him just gone,hes had 5 panormas and 3 digi eyes
     
  10. Alexdermietzel

    Alexdermietzel Keyboard Hero

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    Try a camera lens brush to get the fibers off, then use some spray on alcohol to clean it. The alcohol with evaporate so you don't need to rub/smear it.
     
  11. mark.177

    mark.177 Donator

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    cleaning lenses is an art... first thing you'll need is cotton buds and lots of them, lighter fluid and a good large blower. it is important you dont touch anything that touches the lens as that will transfer grease from your hands to the lens.
    apply a few drops of lighter fluid to the tips of a clean cotton bud and using a circular motion wipe the whole surface once... bin the cotton bud and repeat as many times as needed.
    after all the grease/oil is off gently breath on the lens and wipe again with a clean cotton bud as many times as needed. use the blower to get the lint off.
    if your not getting any joy some camera shops will strip and clean lenses, if you can find an old chap into vintage camera repair would be cheaper. i've stripped and cleaned a lot of old cameras and lenses and more than a few sets of binoculars.
     

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  12. SteveO

    SteveO Top Poster

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    Isopropyl alcohol (Isopropanol) same stuff as in CD/DVD cleaning kits or screen wipes, medical wipes etc... Then use an opticians cleaning cloth to buff it.
     
  13. terry1001

    terry1001 Major Poster

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    I would be very cautious about using any form of solvent on the coated lenses. I would use the fluid sold by opticians for cleaning coated spectacle lenses and one of their microfibre cloths. You might find an independant optician willing to have a go at it if you're lucky.
    The WD40 has done what it's designed to do - get in everywhere and it's a difficult job to remove it. To clean the metal parts you can use isopropyl alcohol wipes which can be bought from most chemists.
     
  14. mark.177

    mark.177 Donator

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    lighter fluid is one of the camera repair mans best kept secrets, its cheaper and works, have cleaned 100's of lenses 100's of times from rifle scopes to camera lenses to binoculars of all ages with all types of coatings and never damaged one yet. some of the lenses i own and have to clean cost more than most top rifle/scope combo's!!!i do have eclipse cleaning fluid and isopropanol (incredibly fast drying) but rarely use it.
    getting oil out though is going to be tough, will take a lot of swabbing
     

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  15. Dan77k

    Dan77k Donator

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    As above - use stuff from opticians or a camera shop. There's a neat little tool called a lens pen. Has a brush on one side to get rid of dust and a kind of coated felt pad on the other for rubbing over the lens in a circular pattern to remove grease and marks. Used in conjunction with some lens fluid to remove any stubborn marks and you should have some spotless glass.
     
  16. Patrick

    Patrick Donator

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    Buy some lens cleaning tissues from a camera shop and some lens cleaning fluid,methylated spirit would probably be just as effective.
     
  17. Fozz

    Fozz Posting Addict

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    I'm with mark on this, your first job is to get rid of the wd40,then to clean the lens. You will ruin a lense pen with the wd40. I use lighter fluid on my camera equipment and as already mentioned I use lenses that cost much more than any airgun kit I own.



    Even if he does use a Canon...........:p
     
    Last edited: Jan 21, 2014
  18. 177

    177 Donator

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    The key words were "probably" and "if"

    The way I read it, one or more lenses had been removed.
     
  19. neiled

    neiled Donator

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    Couple of points of clarification on this:

    1. I've only removed the end "fast focus ocular lens" & eye bell piece to get inside the scope. It's this end eye bell lens and the first internal one that need cleaning.

    2. Only a couple of small drops of WD40 actually got through the casing on to the lens.

    Thanks for all the suggestions, I think I'll give the lighter fluid a go then clean up with cotton buds or lint free cloth, perhaps it can still be saved from the bin :)
     
  20. mark.177

    mark.177 Donator

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    dont pour lighter fluid on anything though mate use it on cotton buds or clean cloth
     

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