Crop factor?

[magicaxeman]

I've been trying to find the crop factor for a 2/3rds inch sensor but with confusing results.. can anyone help?

 

[heidfirst]

i believe 3.93

 

[Demonid3e]

http://en.wikipedia.org/wiki/Image_sensor_format

 

[magicaxeman]

Thanks guys, you just saved me from making an expensive mistake