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

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Subject: Re: [Leica] The LEICA DIGILUX 2 is announced
From: Dan C <leicaman@sympatico.ca>
Date: Tue, 02 Dec 2003 09:20:56 -0500
References: <3.0.6.32.20031202063605.007d22e0@POP6.sympatico.ca> <3FCC529D.3EB55402@rabinergroup.com> <3.0.6.32.20031202063605.007d22e0@POP6.sympatico.ca>

The dimensions I quoted are of the entire chip, which is somewhat larger
than the part meant for light gathering.

- -dan c.

At 07:29 AM 02-12-03 -0500, Rei Shinozuka wrote:
>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.
>> 

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In reply to: Message from Dan C <leicaman@sympatico.ca> (Re: [Leica] The LEICA DIGILUX 2 is announced)
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)