[OM] Re: Super 4/3?

[Moose]

Chuck Norcutt wrote:
> This Oly page states that the 4/3 in the specification refers to the 
> size of the image circle which is four thirds of an inch or 1-1/3 inches 
>   or 33.8mm.
> <http://olympusdigitalschool.com/e-system_cameras/e-1/E-1_Digital_Camera_-_A_Closer_Look/index.html>
>
> The E-1 only uses 21.6mm of that.
> <http://www.olympus-europa.com/consumer/dslr_7045.htm>
>   
Sorry to be late on this thread, but there is some significant 
misinformation that should be corrected, in case it's still rattling 
around in someone(s) head(s).

The 4/3" figure refers to a now really arcane measurement of the size of 
video sensing tubes. The actual usable area is considerable smaller. 
Here's a more detailed explanation 
<http://www.dpreview.com/learn/?/Glossary/Camera_System/sensor_sizes_01.htm>.

Moose

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