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  1. #1
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    Default The lowdown on useing "Kleenex" tissures for cleaning eyepieces.....



    Since I've heard the bad about useing "Kleenex" tissures on eyepieces. I talked to the Kimberly-Clark superviser/research team. The original formula has not changed. No dyes,no perfumes or fragances,no oil-lotion or lanolin. No natural rubber or latex. 100% pure virgin pulp. A blend of soft wood. Refering to the two ply standard. The three ply could contain oils. They do not recommend it for plastic lenes. So huff & puff and gently wipe. That is after the dirt is brushed off. Pat

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  3. #2
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    Default

    Woodpulp is sharp stuff - I've had them ('paper' tissues) scratch the hard coatings on Camera Lenses!!.. I always use a synthetic lens cloth and if that isn't available, old, well washed cotton Handkerchiefs as a substitute.

    I know it's really expensive but the wonder cleaner fluid from Baader works a treat too..

    Search Ebay and large microfibre lens cloths. They are less than £2.00 delivered..

    KODAK LARGE MICROFIBRE LENS CLEANING CLOTH GLASSES ETC | eBay

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  5. #3
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    Default

    Yeah. I've seen white Kleenex original recommended for cleaning optics as well. I've used it before with no problems. Hopefully they don't change the formula sometime, and I find out about it afterwards.

    It's also very good for cleaning noses, BTW.
    Mike

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  7. #4
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    Default

    I'm not sure about using mircofibre cloths as there's likely to be some contamination after the first use.
    Kleenex, wet with 50/50 water and Isopropyl Alcohol and then a dry one - dispose - can't go wrong.
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  9. #5
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    Default

    Kleenex tissues are definitely better than sweaty t-shirt, and I don't expect big trouble with their gentle use. One can scratch lens even with Lenspen - if any hard particle gets caught in between. If done gently - hardness of lens coating (metal or metal oxide) is larger than plywood - no doubt about it.

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  11. #6
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    I need someone who is more knowledgeable than I am to answer this question. Wouldn't woodpulp still have the molecular makeup of wood? Even if it feels soft, wouldn't it be sort of like wiping your lenses with tree bark. If so, the question wouldn't be how thin the Kleenex is or how soft it feels, but whether its makeup is softer than the lens coating? I don't know about this. I am just asking.
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  13. #7
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    Default

    When you pulp softwood, you remove a lot of the cell matrix - when you bleach it, you remove the rest, all you are left with then is cellulose - which is basically cotton. It's also pretty close to silk.
    If you make a cloth from microfibre, it's made of rayon - oil byproduct - which is fired through a spinnaret and cooled or hardened chemically like spun sugar. It's quite soft - but I figure it's controlled by the state of the machinery at macro level.
    The wood pulp is controlled chemically down to atomic level.
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  15. #8
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    Default

    I use cotton balls with isopropyl alcohol or lens cleaning fluid and change them every few swipes to make sure I'm not rubbing any of the stuff around that I'm trying to clean off of the lens.
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  17. #9
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    Default "Kleenex" tissue.

    Thanks Jennferchristine, For the explanation on the atomic level. Myself, I never felt comforable with a micofiber cloth, never knew when to clean it or what with. All I know is that a lot of astronomers have used it with moisture, with no ill effects. Pat

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    Default

    Again a personal opinion, but I've always used mens tissues to clean lenses, from the sixties when I first started photography, to now; I've never had a problem. I do of course always lightly brush first to eliminate any grit particles, but then just a huff and wipe. For stubborn accidental mark I use a VERY SMALL spot of washing up liquid on a tissue damped (not soaked) in water. I then follow this with huff and wipe as before. I've tried isopropyl alcohol but had a lot of problems with smearing; not good. Good quality coatings today are extremely hard to damage. I took a Kowa eyepiece I had that appeared to have coating damage, to a Japanese Kowa show, to complain about the coating. Firstly, they said this had NEVER happened before, and then proceeded, with much more force than I had dared use, to clean it in front of me. Result, a perfectly clear unmarked surface. From that time on, about three years ago, I've been a lot less concerned cleaning modern optics.
    Max

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