Sony UWP-D27 2-Person Camera-Mount Wireless Omni Lavalier Microphone System (UC90: 941 to 960 MHz) - Manual (Page 393)

Help Guide
Interchangeable Lens Digital Camera
ILCE-7C α7C
Aspect Ratio (still image)
Menu item details
3:2:
Same aspect ratio as 35 mm film
4:3:
The aspect ratio is 4:3.
16:9:
The aspect ratio is 16:9.
1:1:
The horizontal and vertical ratio is equal.
5-021-699-11(1) Copyright 2020 Sony Corporation
MENU → (Camera Settings1) → [ Aspect Ratio] → desired setting. 1
393