To close the iris by 0.75 stop:
Turn the MENU knob clockwise as seen from the front of the camera.
Two bars (sx) appear in the lower part to the left of the F number in the iris indication.
To close the iris by 1 stop:
Turn the MENU knob further clockwise as seen from the front of the camera.
4 Two bars (xx) appear in the lower part to the left of the F number in the iris indication.
Opening the lens iris
Iris opened by 0.25 stop
Iris opened by 0.5 stop
Iris opened by 0.75 stop
Iris opened by 1 stop
Closing the lens iris
Iris closed by 0.25 stop
Iris closed by 0.5 stop
Iris closed by 0.75 stop
Iris closed by 1 stop
Opening or closing the lens iris