I clean my binoculars as little as possible, and as gently as possible. I
roughly follow the procedure described here:
http://labbey.com/Files/clean.txt
Same for my glasses. No idea if this amount of care is necessary, but it
doesn't take that long, so why not? I find that the dilute detergent removes
grease that would normally get dust stuck in it again, so one needs to clean
them less often.
I would only do that for waterproof binoculars. I tried it carefully on a
cheap non waterproof pair, and the water got in straight away and fogged them
up completely
Bob also mentioned camera lenses. Mine aren't waterproof, so I just blow the
dust off and use a lens pen to clean them.
Regarding the licking procedure, I recall reading a book (maybe "U-boat War
Patrol: The Hidden Photographic Diary of U-564"?) about a photographer aboard a
U-boat. He resorted to licking the lens to keep it clean in rough weather.
Peter Shute
________________________________________
From: On
Behalf Of Judith Hoyle
Sent: Saturday, 28 November 2009 11:11 AM
To: ; BirdingAus
Subject: Cleaning bins etc
I think I need to lift my game...I clean my binoculars by licking the lenses
and drying with an old hankie! Works really well cos it gets rid of any grit
and I have never scratched a lens with this method!
Judith
> From:
> To:
> Subject: Re: [Birding-Aus] Cleaning bins etc
> Date: Fri, 27 Nov 2009 16:55:28 -0600
>
> AusBirders,
>
> My method for cleaning lenses is to saturate a soft tissue with
> demineralized water (don't use rainwater as it will leave a residue) and
> thoroughly wet and wipe (lightly) the lens using a clean region of the
> tissue after each wipe. Then dry using a lens cloth, again not applying too
> much pressure. This particularly works well when there is a salt film on the
> lens. I would not recommend compressed air.
>
> Dean Cutten
>
> Victor Harbor, SA
> Australia
>
>
>
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