a7S Iii with pro movie/still capabilityDesigned for professionals, the a7S Iii builds on the strengths of the S series, such as high sensitivity and wide dynamic range, while providing pro features like enhanced Af, optical image stabilization and 4K 120p recording. Incorporating a powerful new engine in its compact body, the camera delivers a wide range of visual experiences.New image sensor with double the readout speedThe newly developed back-illuminated full-frame Exmor Rtm Cmos sensor, with 12.1 effective megapixels, boasts a readout speed up to twice as fast as that of the a7S Ii, along with high sensitivity and wide dynamic range. An advanced color filter array boosts color reproduction accuracy, while focal plane phase-detection Af enables substantial increases in autofocus stability and precision, all of which contribute to outstanding image quality.