Medium format is typically used to refer to sensor sizes that are smaller than 4x5 inches, but lager than 35mm full frame. Such kind of size sensor has been widely used for digital single-lens reflex camera, professional film camera. It has a wide applications, generally can be applied in aerial photographing, large area surveillance, museum digital archives and industrial inspection...etc.
Sony released new generation medium format senor IMX411/IMX461.
IMX411: 4.2 inch 150 megapixel CMOS sensor, BSI sensor, supporting 4K2K 30fps, SLVS-EC 2.3G interface, Pixel size 3.76 um, this sensor also supports 8K4K 16fps, mass production schedule in 2018 Sept. IMX461: 3.4 inch 100 megapixel CMOS sensor, BSI sensor, support 4K2K 30fps, SLVS-EC 2.3G interface, Pixel size 3.76um, the sensor also supports 8K/4K 18fps, mass production in 2018 April.