Selecting A Still Image Size/Image Quality; Jpeg Image Size - Sony A7RIII ILCE-7RM3A Operating Instructions Manual

Selecting a still image size/image quality

JPEG Image Size
The larger the image size, the more detail will be reproduced when the
image is printed on large-format paper. The smaller the image size, the
more images can be recorded.
MENU 
desired setting.
When [ Aspect Ratio] is set to 3:2
L: 42M
M: 18M
S: 11M
When recording in the APS-C-equivalent size
When [ Aspect Ratio] is set to 3:2
L: 18M
M: 11M
S: 4.5M
Note
• When [ File Format] is set to [RAW] or [RAW & JPEG], the image size for
RAW images corresponds to "L."
GB
46
(Camera Settings 1)  [
7952×5304 pixels
5168×3448 pixels
3984×2656 pixels
5168×3448 pixels
3984×2656 pixels
2592×1728 pixels
JPEG Image Size] 
When [ Aspect Ratio] is set to 16:9
L: 36M 7952×4472 pixels
M: 15M 5168×2912 pixels
S: 8.9M 3984×2240 pixels
When [ Aspect Ratio] is set to 16:9
L: 15M
5168×2912 pixels
M: 8.9M
3984×2240 pixels
S: 3.8M 2592×1456 pixels