This
| SourceFile | ImageSize |
| adipiscing.jpg | 2400×2400 |
| dolor.jpg | 1920×2400 |
| sit.jpg | 1602×2400 |
| ipsum.jpg | 1731×2400 |
| consectetuer.jpg | 1602×2400 |
| Lorem.jpg | 1602×2400 |
| Maecenas.jpg | 2400×720 |
| elit.jpg | 2400×613 |
in other words.
ExifTool will do that for you:
exiftool -csv -T -Imagesize * > out.csv

