The 135 film is 36 x 24mm in size and is called a full frame.
APS film has three sizes: h, C, and P.
APS-H type is close to full frame (30.3*16.6), aspect ratio is
The APS-C type is in the upper and lower left each block to one end, is the aspect ratio of, about (24.0*16.0)
The CMOS dimensions close to the APS-C size of 22.5*15.0mm and 23.6*15.8mm, 23.7*15.6mm, 22.2*14.8mm are called APS-C Frame
Canon EOS-1D and 1dmkii 28.7*19. 1mm is called a APS-H Frame
Ordinary card machines are usually 1/2. 3 inch, and the imaging quality is naturally worse.
Sony DSC-RX100 is a professional-level DC with a CMOS size of 1 inch (13.2*8.8mm), I .e. the Nikon CX specification, which is also the same as Nikon 1 J1
The size of the 4/3 inch live MOS sensor is 17.3*13.0mm (Aspect Ratio:), such as Olympus's E-PL series and Sony's GF series
DC, such as FUJI f775, is 1/2 inch. For example, Samsung ex1 is 1/1. 7 inch.
Fuji x100 uses 23.6 * 8mm Type CMOS.