Sony FE 50mm f1.4 GM Lens MAR0.22 4K technology enables Post Focus

4K technology enables Post Focus function to refocus images after they are captured

but on monitors it looks washed out & makes judging exposure difficult

aperture control

The α7S II can record 4K (QFHD: 3840 x 2160) movies internally in full-frame format

Sony FE 50mm f1.4 GM Lens MAR0.22 4K technology enables Post FocusSonys G Master lens technology delivers extraordinary resolution and bokeh in a compact, lightweight 50mm lens. With outstanding image wide resolution and contrast from F1. 4, this fast, responsive lens offers sharp realism for stills and movies that will satisfy users from advanced amateurs to the most discerning professionals. Breathtaking G Master image quality right out to the edges of the frame Two high precision XA (extreme aspherical) lens