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Re: [OM] New Digital (OM?)

Subject: Re: [OM] New Digital (OM?)
From: HI100@xxxxxxx
Date: Fri, 23 Mar 2001 22:32:02 EST
Hi all,
          The latest (April) copy of the British (amateur ) electronics 
magazine "Electronics (nee Wireless) World" has a rather poorly written 
article entitled "Digital Camera Developements" . However in the article 
there is some tantalising information on the Olympus "SHD-S1" prototype. They 
refer to it as a medium format camera with three 2048x2048 CCD's. In other 
words it is a beam splitter design with 12 total mega pixels. I doubt it 
really is medium format from their description. It has 12 bits per color for 
48bits color depth. It has a large pivoting LCD monitor which mounts atop the 
camera.  

Here are some other OT items: 
The article does discuss some things to do with temperature compensating the 
CCDs and the  resulting loss of pixels to dark current compensation. They 
also discuss Minoltas Dimage 1500 that has interchangeable sensor to allow 
resolution upgrades and a interchangeable lens. 

A Fuji/Nikon collaboration where a small CCD is combined with "condensor 
optics" and conventional Nikon lenses. It is not clear from the diagrams 
whether an image is produced at the film plane and then re-imaged with the 
condensor optics (lossy) or whether something else like a fibre optic plate 
etc is being used. The claim is the concentration of light gives higher 
effective "film speed" (better s/n ratio)  from the small CCD. 

Umax is producing a new  30 bit CMOS camera with a four color sensor for 
better color rendition. It uses R G B and Teal (~green blue). It is only 800k 
pixels.

                  Regards,
                 Tim Hughes
                >>Hi100@xxxxxxx<<

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