Aperture changed during exposure (apodization)

Aperture changed during exposure (apodization)

Apodization softens the contours of objects in the background without losing them in a blur. This gentle graduated blur is more subtle than one obtained at maximum aperture.
Shooting mode: Creative Control, Shutter speed: 1/125 sec, F value: F/2.3, Focal length: 17.70 mm, Metering: Multi-spot, ISO sensitivity: ISO 80, White balance: Auto, Flash: Off