Panasonic Lumix DMC-CM1 Operating Instructions Manual page 58

4. Camera
Aperture-Priority AE Mode
Recording Mode:
Set the aperture value to a higher number when you want a sharp focus background.
Set the aperture value to a lower number when you want a soft focus background.
1
Set the Recording Mode to [
2
Operate the control ring to set the aperture
value. (P84)
A Aperture Value
Aperture value:
Reduces
It becomes easier to defocus
the background.
Available Aperture Value
≥ If the exposure is not adequate, the aperture value and the shutter speed turn red and blink when the shutter
button is pressed halfway.
].
Aperture value:
Increases
It becomes easier to
maintain focus as far as the
background.
F2.8 to F11
(P51)
A
60 to 1/16000 (with the [Shutter Type] set to [Auto])
60 to 1/2000 (with the [Shutter Type] set to
58
2.8
2.8 2.8 2.8
A
Shutter Speed (Sec)
[Mechanical Shutter])
F