[Leica] M8 cleaning mystery

[glehrer at san.rr.com (Jerry Lehrer)]

Joe,

Let us now have a lesson on the differences 'tween electrostatic und 
electromagnetic forces.

Jerry


Joseph Low wrote:
>       Nathan
>
>       The gunk are stuck by static forces - use a small magnet and pass It 
> over
> the sensor WITHOUT
>       TOUCHING IT - this will neutralize the magnetic forces and the gunk 
> will
> fall out
>
>       This action is similar to what you do to a TV screen by passing a 
> metal
> object over it ( again without
>       touching the screen ) to neutralize the magnetic forces
>
>       Try it
>
>       J Low / Singapore
>
> -----Original Message-----
> From: lug-bounces+joelct=singnet.com.sg@leica-users.org
> [mailto:lug-bounces+joelct=singnet.com.sg@leica-users.org]On Behalf Of
> Nathan Wajsman
> Sent: Monday, September 03, 2007 12:34 PM
> To: Leica Users Group
> Subject: Re: [Leica] M8 cleaning mystery
>
> My Canon 1D II, which I bought second-hand in the fall of 2005, always
> had a couple of pieces of gunk stuck on the sensor. I tried to blow them
> away with compressed air (very carefully) but with no luck. I was not
> willing to try any of the methods which require liquids or scrubbing the
> sensor in any way. So I had reconciled myself to those two spots. They
> were anyway only visible in blue sky conditions, something we do not
> experience a lot in this part of the world.
>
> But then a few months ago I tried Sensor Scope from Delkin. It is a
> combination of very gentle brushes and a vacuum-cleaner, plus a powerful
> loupe with a light so you can really see what you are doing. It is
> gentle on the sensor and yet extremely effective--it removed those
> stubborn spots from my sensor after one application.
>
> It is not cheap, but since it works with every digital SLR and is not
> used very frequently, it will last for many years. In that light, it is
> not expensive.
>
> Nathan
>
> --
> Nathan Wajsman
> Almere, The Netherlands
>
>
> S