Archived posting to the Leica Users Group, 2006/08/15

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Subject: [Leica] Lens caps
From: jsmith342 at cox.net (Jeffery Smith)
Date: Tue Aug 15 17:05:55 2006

I have to side with Marc on this. DO use a lens cap when you aren't
shooting. DON'T use a filter (light hitting anything will cause some
degradation), and DON'T USE SPIT!!!! If you want to breathe on the lens to
fog it, have your mouth OPEN so spittle doesn't go from your lips to the
glass. I have tried some of the Zeiss alcohol lens wipes, and they do seem
to leave some streaking and residue. So I'm back to Kodak lens cleaner and
Kodak lens tissue. I tend to treat the front elements of my lenses like they
are my cornea.

Jeffery Smith
New Orleans, LA
http://www.400tx.com
http://400tx.blogspot.com/



-----Original Message-----
From: lug-bounces+jsmith342=cox.net@leica-users.org
[mailto:lug-bounces+jsmith342=cox.net@leica-users.org] On Behalf Of Marc
James Small
Sent: Tuesday, August 15, 2006 6:41 PM
To: Leica Users Group
Subject: RE: Re: [Leica] Lens caps


At 09:19 AM 8/16/06 +1000, G Hopkinson wrote:
>Don't do it Adam!
>I'm sure that Walt, Ted and many others are fearless enough to get away 
>with this and bring back the great pictures.
>
>Here's the litmus test, are you:
>a. a serious hard hitting photojournalist for whom the gear is just a 
>tool (If it dies, it dies, it's just a stinkin' camera) or
>b: an enthusiast  photographer who also enjoys the ownership and 
>pleasure of having fine Leica equipment (how many sales have you passed 
>on because the seller says, some wipe marks on the glass)

Hoppy

Modern glasses are REALLY tough.  I was shocked, ten or fifteen years back,
to be working a camera show with the Zeiss Maven, Charlie Barringer, who
started cleaning a $4,500 lens with a shirt-tail.  I spluttered in protest,
and he simply reminded me that the Gnomes of Jena knew what they were doing
when they made the lens and also that HE knew what he was doing, and would I
mind my own washing?  

He was absolutely correct.  When I have walked across a sandstorm-driven
wind across an arid desert, then I avoid using my shirt-tail, as I probably
have some grit in the cloth.  But, beyond that, I go for it.  I clean my
lenses with ROR when they need it and use a Kleenex as the medium -- but, in
the field, I'll pull out a handkerchief to do the job, and have used spit on
occasion when that was the only lubricant on hand.

Avoid grit on the lens.  Beyond that, modern lens glasses and coatings are
really tough.

And avoid filters.  Erwin Puts disagrees with me on this, but the addition
of another layer of glass degrades the final image.

Marc

msmall@infi.net  Home Phone 540-345-5012
Cha robh b?s fir gun ghr?s fir!



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Replies: Reply from hoppyman at bigpond.net.au (G Hopkinson) ([Leica] Lens caps)
In reply to: Message from msmall at aya.yale.edu (Marc James Small) ([Leica] Lens caps)