[Leica] Two M9 Sensor Cleaning Questions

[robertbaron1 at gmail.com (Robert Baron)]

Thanks, guys.  I'm making progress: I only have two spots left that are
noticeable at 200% magnification and I think after one more pass with a
pre-moistened swab (I have them left over from my former Canon 5D kit) I'll
be adopting Nathan's approach.

--Bob

==On Mon, Sep 17, 2012 at 1:48 PM, Nathan Wajsman <photo at 
frozenlight.eu>wrote:

> I agree with Geoff. Unfortunately, the M8/M9 are horribly difficult to
> keep clean compared to DSLRs. The only camera the needs sensor cleaning in
> my stable is the M8, and even then there are some spots that I have simply
> given up on--they only show up in blue sky, so I just fix them in LR
> afterwards.
>
> Cheers,
> Nathan
>
>
> On Sep 17, 2012, at 8:10 PM, Geoff Hopkinson wrote:
>
> > Hi Bobs. I use the Brush Off and then Sensor swabs with Eclipse fluid.
> The
> > pre-moistened swabs are(even) more expensive. The videos explain it well.
> > As soon as you touch anything in the chamber BUT the sensor cover glass,
> it
> > is possible to spread smears. You can wipe the brush with a little fluid
> on
> > a pad if that happens. NEVER apply pressure to the sensor cover-glass
> with
> > anything but the swab. NO fingers or shirt tails ;-)
> > http://www.photosol.com/store/pc/home.asp
> >
> > Cheers,
> > Geoff
> > http://www.pbase.com/hoppyman
> >
> >
> >
> > On 18 September 2012 03:27, Bob Adler <rgacpa at gmail.com> wrote:
> >
> >> Hi Bob,
> >> (1) Yes.
> >> (2) Have you tried gently blowing air on the sensor while holding the
> >> front of the camera facing downward? I use one of those bulb cleaners. I
> >> also blow out the chamber before opening up the sensor for cleaning.
> >> Use of a wet swab (I use Eclipse) is tricky with the M, IMO, because you
> >> need to be really careful not to touch the side of the chamber when
> >> sticking the swab in to clean the sensor. If you touch a side of the
> >> chamber you can easily pick up dirt/grease that can scratch/smear your
> >> sensor glass. I've done it but it takes 2 or three times (new swab each
> >> time) for most grease spots...
> >> Good luck,
> >> Bob
> >>
> >> Sent from my iPad
> >>
> >> On Sep 17, 2012, at 10:14 AM, Robert Baron <robertbaron1 at gmail.com>
> wrote:
> >>
> >>> (1) Am I correct in understanding that when I see a spot on the lower
> >> left
> >>> hand side of an image, when I take off the lens and activate 'sensor
> >>> cleaning' the offending particle will be at the upper right hand side
> of
> >>> the sensor as I look at it?
> >>>
> >>> (2)  Does anyone have any experience - good or bad - with pre-moistened
> >>> Sensor Swab Plus swabs?
> >>>
> >>> Thanks,
> >>>
> >>> --Bob
>