Archived posting to the Leica Users Group, 2013/03/25

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Subject: [Leica] Sensor frustration
From: kanner at acm.org (Herbert Kanner)
Date: Mon, 25 Mar 2013 23:28:40 -0700
References: <54E71BCC-A2DA-4984-94B9-13E373AB2DE7@frozenlight.eu> <E5BD81D9A8634C25A8A339AD513D8453@billHP> <CABNC8SqNK_Q4RExp+gmztMXc4wYU31pSjSQFFB_ye8au39jmkA@mail.gmail.com>

I strongly suspect that the contents of the magic bottle are just wood 
alcohol (methylene) at a ridiculous price, but since the recommended dosage 
is two to four drops, who cares.

Herbert Kanner
kanner at acm.org
650-326-8204

Question authority and the authorities will question you.




On Mar 23, 2013, at 12:41 PM, Cedric Agie wrote:

> I do have some difficulties to agree with these humorous points of
> vieuw. Of course photographers by definition must be able to have a
> large point of vieuw.
> 
>> From the beginning when Oskar Barnack had started playing with the
> idea of taking pictures with a cine film, he, and later Leitz, its
> technicians and engineers always did everything they could to improve,
> but also to symplify this wonderfull camera. And certainly once
> Grandfather Ernst Leitz I had decided to start its production. They
> not only do everything to symplify production, but also in the vieuw
> of after sales services i.e. repairs and maintenance (CLA etc). This
> cuts costs during and after production, that's nothing new in the
> economy. Don't forget Leicas are for a good part handmade, tuned and
> checked. It went so far that Oscar Barnack asked to have his own
> office next to the production hall with a large vieuw on it. He never
> stopped improving and simplyfying a model even during production.
> Break downs are often taken into consideration when cameras come back
> to the factory.
> 
> A simple example; if you can have a look at every possible model of
> the M-4 since it came to the market. You will never see 2 identical
> models if you take a very close look at it. Dimensions and look don't
> change much but for ex the tiny screws that appear on the front of the
> camera holding it together, not only don't have the same look, but you
> will also find them at differend places as production was improved.
> 
> Regarding the CCD and now CMOSIS captor, Leica tried to follow the
> evolution of this technology verry closely and used it as soon as
> possible. But they also have to do with it as it comes to   market
> i.e. to make a good camera that suits their potential clients at a
> certain moment. I too cursed and fumbled at these tiny spots and specs
> I saw in the beginning with my beloved M-9. In time I took more care
> and precautions when changing lenses. Those of us if not most of us
> will certainly remember we often had to fight against dust, dirt,
> specs and tiny spots etc when we worked in the darkroom. Enlarging
> color and developping Ektachromes made things even worse. Moving a
> darkroom to another place had sometimes catastrophic consequences.
> 
> There must be a way and a solvent that helps to clean the captor,
> maybe the same way we clean our lenses i.e. carefully. But who knows
> the formula of the contents of that magic and expensive bottle? Whe
> certainly will find out sooner or later. I do have an idea. I will let
> you know if I find out.
> 
> Regards & have a good W-E.
> 
> Cedric
> 
> 
> 
> 2013/3/23 Bill Pearce <billcpearce at cox.net>:
>> I have heard similar laments from owners of German cars, about mechanical
>> issues not sensors. There is something about the Germans that I can't
>> understand. I have heard it said that German engineering means why use two
>> parts when ten will do?
>> 
>> -----Original Message----- From: Nathan Wajsman
>> Sent: Saturday, March 23, 2013 1:45 AM
>> To: lug Group
>> Subject: [Leica] Sensor frustration
>> 
>> 
>> Why, oh why did Leica choose not to build in a sensor-cleaning system into
>> their cameras, pioneered by Olympus many years ago? Because zat is not ze
>> vay ve do it here, I suppose. But having spent 20 minutes fighting with
>> spots on my M8 sensor, and probably having made the problem worse, I am 
>> just
>> frustrated. Basically, my M8 is useless for any pictures with blue sky in
>> them.
>> 
>> Grumpy.
>> 
>> Nathan
>> 
>> Nathan Wajsman
>> Alicante, Spain
>> http://www.frozenlight.eu
>> http://www.greatpix.eu
>> PICTURE OF THE WEEK: http://www.fotocycle.dk/paws
>> Blog: http://nathansmusings.wordpress.com/
>> 
>> YNWA
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> _______________________________________________
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>> 
>> _______________________________________________
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> 
> _______________________________________________
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In reply to: Message from photo at frozenlight.eu (Nathan Wajsman) ([Leica] Sensor frustration)
Message from billcpearce at cox.net (Bill Pearce) ([Leica] Sensor frustration)
Message from cedric.agie at gmail.com (Cedric Agie) ([Leica] Sensor frustration)