Aperture
Set the lens aperture (f-stop). Lower values like f/1.2 create creamy bokeh, higher values like f/16 give everything sharpness.
--aperture7 options

f/1.2 Wide open
--aperture f1.2
f/1.8 Very shallow
--aperture f1.8
f/2.8 Shallow
--aperture f2.8
f/4 Moderate
--aperture f4
f/8 Deep focus
--aperture f8
f/16 Very deep
--aperture f16
f/22 Diffraction
--aperture f22# Example usage
melies image "portrait" --actor mei--aperturef1.2 --sync
Other Modifiers
--cameraCamera Angle--shotShot Size--expressionExpression--lightingLighting--light-dirLight Direction--moodMood--color-gradeColor Grade--eraEra--timeTime of Day--weatherWeather--compositionComposition--dofDepth of Field--focal-lengthFocal Length--lensLens Type--exposureExposure--camera-modelCamera Model--movementCamera Movement