Re: [Leica] Dust in viewfinder

[Mark Rabiner <mark@rabiner.cncoffice.com>]

Simon Cheong wrote:
> 
> Hello all,
> 
> I recently notice a speck of dust on the focusing patch when I look through
> the viewfinder of my M4.  The size of the dust is about half the length of
> the focusing patch and is affecting my focusing.  I can see the piece of
> dust clearly from the smaller rangefinder window and I am sure it is on the
> small mirror within the rangefinder system.  Could anyone on the list tell
> me how to remove dust from the rangefinder system without taking apart the
> camera?
> 
> Thanks
> Simon Cheong

A Bulb air squeezer thing.
Mark Rabiner