On Sun, Jun 19, 2016 at 1:36 AM, Larry Colen <[email protected]> wrote:
>> <http://cvp.com/images/uploaded/sensor_table.gif> > > The left end of that chart is really confusing me. 1/3" is about 8mm, not 4.8 > or 6, > 1/2" is about 12mm, not 6.4 or 8, and so forth. It is almost as if they add > the width > to the height and then round up by some fairly large amount to get to the > listed > perspective. Believe it or not, the inch sizes refer to the sizes of vacuum tubes that used to house video sensors. The sensor itself would naturally be somewhat smaller than the tube enclosing it. https://en.wikipedia.org/wiki/Image_sensor_format#Table_of_sensor_formats_and_sizes -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
