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    Default How to Clean Telescope Eyepieces



    How to Clean Telescope Eyepieces

    [ame=http://www.youtube.com/watch?v=h0W19ucjL5s]YouTube - Eyepiece Cleaning[/ame]

    Name: Gus OTAs: ED 100 PRO refractor, Orion ST80 (not the CF), 8" Dob stuck in Canada Mounts:HEQ5PRO Synscan mount, Manfrotto Tripod CAMS: Guidecam Philips SPC900 webcams (4), Canon unmodded-450D DSLR

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  3. #2
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    Thanks for that post. I was thinking about this just on the weekend
    Name: Brian

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    Thanks Gus ...
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    looks good and all but not sure i want cold compressed air pellets going on my lenses or even the mirror .
    i have been using glasses cloth for a long time and never have i scratched my lenses, there in the same condition the day i bought them.
    Celestron C9.25 moonlte CS, explore scientific AR102, Skywatcher mak102mm, Orion short 80mm, Celestron Cg5, Canon t3, Philips spc900nc, dbk21au618 ,ZWO ASI224MC

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    Default

    Thanks Ozz, will take that into consideration. Does compressed air have pellets inside - if so can you buy air without the pellets?

    cheers
    Name: Gus OTAs: ED 100 PRO refractor, Orion ST80 (not the CF), 8" Dob stuck in Canada Mounts:HEQ5PRO Synscan mount, Manfrotto Tripod CAMS: Guidecam Philips SPC900 webcams (4), Canon unmodded-450D DSLR

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    I always heard not to use the compressed air because of the propellant having a residue ...I think that is why the guy in the video was holding the can upright ... I use "Zeiss wipes" only ...
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    Quote Originally Posted by roverich View Post
    I always heard not to use the compressed air because of the propellant having a residue ...I think that is why the guy in the video was holding the can upright ... I use "Zeiss wipes" only ...
    i think the main thing is to get the big dust particles away from the lense or mirror , i first look at the lense and if theres dust i just blow on it easyer that way
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    It is advised to use a small bottle blower for this ...Gittos makes these for adound 10 dollars and they are available from camera shops ....
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    What do you mean by "compressed air pellets"? I've never heard of this phenomenon.

    I routinely use compressed air to clean my lenses and telescope optics (albeit from a distance, I don't stick the nozzle right up to the glass!) and have had no ill effects. The only gotcha is keeping the can upright as the man says in the video. Otherwise, the liquid could come out of the nozzle and as you know it is VERY COLD. This can thermal shock, damaging optical coatings. Are these the pellets you refer to, Ozz?
    Last edited by sevenhelmet; 09-01-2009 at 01:38 AM.
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    Quote Originally Posted by admin View Post
    Thanks Ozz, will take that into consideration. Does compressed air have pellets inside - if so can you buy air without the pellets?

    cheers
    basically its the gaz that they use to compress the cans is Fluorocarbons and Trichloroethane and also butane gaz , so yeah that gaz is frozen and under pressure, am sure it will damage the lens or mirror.. i don t recommend it
    Celestron C9.25 moonlte CS, explore scientific AR102, Skywatcher mak102mm, Orion short 80mm, Celestron Cg5, Canon t3, Philips spc900nc, dbk21au618 ,ZWO ASI224MC

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