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Reciprocal Dimensions of Sensor Sizes.

greenwing

Yorkshire, UK
1304 posts

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"RE: Reciprocal Dimensions of Sensor Sizes."

greenwing Registered since 18th May 2006
Thu 16-Aug-12 08:47 PM

>... the convention
>used to define the Vidicon Tube.
>
>The convention used the diameter of the outside dimension of
>the tube, but the actual sensing area was about 2/3rds the
>size of the diameter of the glass envelope. So 2/3rds of an
>inch is .66667 or 16.9mm. The diagonal of the sensor
>referenced by the 1 inch designation in the referenced cameras
>is about 15.86 mm which is close to the 16.9mm.
>
>Pete

Thanks for that, Pete. I once wondered enough about the strange fractions used to look up why; I never went any deeper into it as, to me, it was pretty much irrelevant.

Chris

A general, generic topic Reciprocal Dimensions of Sensor Sizes. [View all] , Bert Shelton , Tue 14-Aug-12 05:07 PM
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