The Sony FX6 is a successor of similar models such as NEX-FS700, PXW-FS5M2 – although earlier models focused on Super 35 shooting mode (APS-C sensor).
Focused on one man operation, comfortable, handheld operation with multiple 1/4" mounting screw points, which allows users to use cages and accessories mounted on the camera
Previous S35 (Super 35) sensor size had worse signal-to-noise ratio
