Ok, about sensor sizes.

According to the next article on dpreview:

http://www.dpreview.com/news/2002/10/7/sensorsizes

When some company says

Accordingly, Nikon 1 system has a 1" sensor, which is NOT a 25.4mm diagonal, but two thirds of that number, or roughly 17mm which is roughly true (16mm is closer).

So, using the above math, a 1.5 inch sensor has a diagonal of 25.4mm, or a sensor a bit larger than 4/3" (22.5mm)

Hope this helps,

Stavreski

According to the next article on dpreview:

http://www.dpreview.com/news/2002/10/7/sensorsizes

When some company says

*we have made x" sensor*, they are actually saying that the sensor diagonal is roughly two thirds of that number x in inches. (It's an old '50s tv standard. The number x is the size of the tv tube, not the sensor itself).Accordingly, Nikon 1 system has a 1" sensor, which is NOT a 25.4mm diagonal, but two thirds of that number, or roughly 17mm which is roughly true (16mm is closer).

So, using the above math, a 1.5 inch sensor has a diagonal of 25.4mm, or a sensor a bit larger than 4/3" (22.5mm)

Hope this helps,

Stavreski