Imaging sensor dimensions Leave a Comment / Autoguiding, General / autoguiding, digital camera sensor, sensor, Sensor Sizes There’s a lot of misunderstanding about sensor sizes, much of it goes to the strange and convoluted manner in which they can be expressed. For smaller, compact cameras they’re given in fractions of an inch (1/N inch format)…We found a very interesting article about the dimensions of the Imaging sensor, if you want to keep reading click here.