Archived posting to the Leica Users Group, 2003/12/02

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Subject: Re: [Leica] The LEICA DIGILUX 2 is announced
From: Rei Shinozuka <shino@panix.com>
Date: Tue, 2 Dec 2003 07:29:19 -0500
References: <3FCC529D.3EB55402@rabinergroup.com> <3.0.6.32.20031202063605.007d22e0@POP6.sympatico.ca>

what does the 2/3 inch actually measure?  the specifications say that
their 7-22.5mm lens is the 35mm equivalent of 28-90mm which would 
imply a sensor 1/4 of the linear dimensions of 24mmx36mm, or something like
6mmx9mm.  which is about your guess.

but design-wise it's quite fetching.

- -rei


On Tue, Dec 02, 2003 at 06:36:05AM -0500, Dan C wrote:
> Just keep in mind that the term "2/3" does not refer to the actual size of
> the sensor.  The sensor in this camera is the same tiny sensor found in
> most p/s cameras with a 5 mp CCD (perhaps the Sony ICX282AQF, 9.74mm x
> 7.96mm with pixel size 3.4um x 3.4 um).  The term "2/3" comes from some
> ancient measurement related to the days when television cameras used
> photomultiplier tubes.   Which means the same inherent problems with noise
> and DOF control problems.
> 
> I wonder how easy it will be to manually focus the camera using the
> electronic viewfinder.   I find it very difficult in my (admitedly older
> technology) Minolta D7's evf.
> 
> -dan c.
> 
> 
> 
> At 12:51 AM 02-12-03 -0800, Mark Rabiner wrote:
> >http://www.leica-camera.com/digitalekameras/digilux2/index_e.html
> >
> >"To ensure the best pictorial results, the lens, the sensor and the
> >electronics are optimally tailored to one another. The 2/3-inch CCD
> >sensor is very large for its resolution of 5 million pixels. This
> >combination of a high-performance lens and a large surface per picture
> >element produces an extraordinary pictorial quality. "
> >
> >
> --
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- -- 
Rei Shinozuka shino@panix.com
Ridgewood, New Jersey

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Replies: Reply from Eric Welch <eric@jphotog.com> (Re: [Leica] The LEICA DIGILUX 2 is announced)
Reply from Ted Grant <tedgrant@shaw.ca> (Re: [Leica] The LEICA DIGILUX 2 is announced)
In reply to: Message from Mark Rabiner <mark@rabinergroup.com> ([Leica] The LEICA DIGILUX 2 is announced)
Message from Dan C <leicaman@sympatico.ca> (Re: [Leica] The LEICA DIGILUX 2 is announced)