The light that is:
The main difference between these images is where I shoot from - in relation to the light:
The first is side/backlit; I’m mostly shooting against the light.
In the second, I’m shooting with the light mainly behind the camera and slightly off to the side.
And speaking of vintage lenses, this is my 50mm Canon ƒ0.95, shot at around ƒ1.2.
This lens has no EXIF data, so it’s purely by memory.