Archived posting to the Leica Users Group, 2007/01/21

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Subject: [Leica] Re: LUG Clean that M8 sensor?
From: grduprey at mchsi.com (grduprey@mchsi.com)
Date: Sun Jan 21 16:31:50 2007

Frank,

The devices must have enough energy stored up to create/record the images, 
this comes from energy stored by capacitors in the circuit, this energy can 
indeed be enough to attract dust.

Gene

-------------- Original message from "Frank Filippone" 
<red735i@earthlink.net>: -------------- 


> Gene.. I have no question that the sensor has a charge (of a few volts) 
> when in 
> operation. However, a few volts is hardly enough to 
> attract or make a physical connection to something even as light as 
> dust.... 
> 
> Where does the charge come from with enough energy (volts) to attract or 
> hold 
> dust? It would need to be many many volts..... Can 
> you point me to any information on the subject? 
> 
> I must be missing something.... 
> 
> Again, it won't hurt to do what Gene and others have said. Turn it off 
> before 
> you change lenses...... 
> 
> Frank Filippone 
> red735i@earthlink.net 
> 
> The sensor is charged when power is applied, no wives tale, fact. The 
> charge 
> will attract any dust, again fact, so to avoid 
> attracting dust to the sensor, turn it off and change lenses. I would also 
> wait 
> a few seconds to allow the charge to dissipate. 
> 
> 
> 
> 
> _______________________________________________ 
> Leica Users Group. 
> See http://leica-users.org/mailman/listinfo/lug for more information 

Replies: Reply from red735i at earthlink.net (Frank Filippone) ([Leica] Re: LUG Clean that M8 sensor?)