Archived posting to the Leica Users Group, 2004/10/01

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Subject: [Leica] RE: Digital R-Module - hands on
From: abridge at (Adam Bridge)
Date: Fri Oct 1 01:29:25 2004
References: <> <>

I thought there wasn't going to be a low pass filter in the digital R?
Has that changed? Did I miss it?


On Thu, 30 Sep 2004 12:30:49 -0700, JCB <> wrote:
> At 11:41 AM 9/30/2004, Marc Attinasi wrote:
> >I must admit, it looks very simple in the pictures - almost too simple.
> What would you expect to see? Wires and electronic components hanging 
> around?
> The sensor that you see is buried beneath glass. Under the glass is a low
> pass filter and possibly a ray bending prism glass so that you may use a
> leica 15mm lens and get a reasonable image out to the edge.
> The glass sensor cover will need a lot of cleaning and dust removal as
> digital sensors build up static and attract dust. One will want to mount
> the digital back in a clean environment. Likewise, changing lenses can lead
> to a dust problem since the dust gets in the mirror box and when the
> shutter is fires, it can migrate to the sensor surface. This has been the
> bane of digital interchangeable lens SLRs since their inception.
> As in Nikon, Canon, Kodak, and now Leica, SLRs, the glass sensor surface is
> very robust as it must withstand a LOT of cleaning.
> JB
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Replies: Reply from jcb at (JCB) ([Leica] Re: RE: Digital R-Module - hands on)
In reply to: Message from attinasi at (Marc Attinasi) ([Leica] Digital R-Module - hands on)
Message from jcb at (JCB) ([Leica] RE: Digital R-Module - hands on)