Lens - Compatibility Information : ILCE-7SM3
ILCE-7SM3 : SEL20F28 Compatibility Information
ILCE-7SM3 - SEL20F28 ｜Compatibility Information
E 20mm F2.8
The angle of view will be narrower down to that of APS-C size.
When recording 4K movies, the recorded image size is locked to full-frame. Thus, the edges of the screen may appear dark.