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Cleaning scope lens

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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/17/2007 at 07:32
jjake View Drop Down
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I just returned from hunting with my daughter. Did not bag any game but did return with a greasy finger print and sand on the ocular lens.
 
I did a search and noted all the mentions of the optics pen but am concerned about the sand scratching the lens.
 
What is the best way to clean the lens without harming the coatings or glass?
 
Thank you,
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/17/2007 at 07:38
Bigdaddy0381 View Drop Down
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This might not be right but this is what I do to mine.

I got some "key board cleaning spray" it's really just compressed air and blow all the sand and other stuff off.then I use my SWFA lens pen (a must have item) to get the oils off.I have done it this way for years and never had any problem.

BD
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/17/2007 at 07:59
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Originally posted by Bigdaddy0381 Bigdaddy0381 wrote:

This might not be right but this is what I do to mine.

I got some "key board cleaning spray" it's really just compressed air and blow all the sand and other stuff off.then I use my SWFA lens pen (a must have item) to get the oils off.I have done it this way for years and never had any problem.

BD
good call sir!
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/17/2007 at 08:04
tahqua View Drop Down
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A bulb syringe puts out a decent puff of air for clearing debris, too.
The lense pen is a good call, also.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/17/2007 at 08:09
cyborg View Drop Down
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I use compressed air first, then I use the brush on the lens pen, then apply a generous amount of lens cleaner, and use the lens pen to clean out to the edges, and the entire surface of the lens. DO NOT USE THE LENS PEN ON DRY LENSES, except the bristle end which will remove the dust adequately.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/17/2007 at 08:40
jjake View Drop Down
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Couple of questions.
  1. Lens cleaner - is there a particular brand that will not harm the coatings?
  2. I thought the lens pen was a dry process by default. My understanding was the pen cap had a graphite type powder that was applied to the tip.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/17/2007 at 08:45
cyborg View Drop Down
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I would never use anything on my lenses dry except the fine bristles, even graphite can scratch the coatings.  Birchwood Casey distributes a cleaner that is safe for the coatings.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/17/2007 at 08:51
martin3175 View Drop Down
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                                        works great ,,
 And yes -use a lens pen soft bristles to remove any debris ( or compressed air if at home) , Plus - never spray any product with ammonia on the lenses ( degrades the coatings) . Use a soft-CLEAN cloth , and not a tissue to clean the lens.


Edited by martin3175 - December/17/2007 at 08:57
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/17/2007 at 09:11
cyborg View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/17/2007 at 15:11
cheaptrick View Drop Down
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Originally posted by martin3175 martin3175 wrote:

                                        works great ,,
 And yes -use a lens pen soft bristles to remove any debris ( or compressed air if at home) , Plus - never spray any product with ammonia on the lenses ( degrades the coatings) . Use a soft-CLEAN cloth , and not a tissue to clean the lens.
 
Plus 1! Thunbs%20Up
 
The Zeiss Wipes in the individual packs are what I use too. I use the cans of compressed air that the gang mentioned first, then use the wipes.   
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/17/2007 at 16:33
RifleDude View Drop Down
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+2 on the Zeiss kit above, as well as the compressed air.  I have that exact same kit, and it works great.  Both the wipes and the lens cleaner spray that come with the kit do an excellent job.  I also hold off on cleaning my lenses AT ALL as long as possible, until they are noticeably dirty.  Some dust and fingerprints on the glass will not degrade optical performance at all, so I resist cleaning lenses until it's obvious that cleaning is necessary.
Post Options Post Options   Thanks (0) Thanks(0)     Back to Top Direct Link To This Post Posted: December/17/2007 at 17:41
silver View Drop Down
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I am kinda picky about this sort of thing as my camera lenses make a part of my living.   Even Walmart has stuff that works.  Normally if it says Kodak it will work.  You want to remove any dirt that will scratch, I like to use dry lense paper as a brush.  The clothes you see will work a lot of the time dry on smudges, just don't force it.  If the smude is pesky, then dampen some lense paper, not the lense, giving the paper a couple of quick breaths to dry it out a bit and kinda work in a small circular motion.  You may have to let things dry a bit and repeat.
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