Panasonic LUMIX DMC-TZ80 Basic Operating Instructions Manual page 56

Others
Minimum
Illumination
Shutter speed
56
SQT1189 (ENG)
TZ110
Approx. 9 lx (when i-Low light is used, the shutter speed is
1/25th of a second)
TZ80
Approx. 10 lx (when i-Low light is used, the shutter speed
is 1/25th of a second)
TZ110
Still picture:
T (Time) (Max. approx. 120 seconds),
60 seconds to 1/2000th of a second
(When the mechanical shutter is used),
1 second to 1/16000th of a second
(When the electronic shutter is used)
Motion picture:
1/2 second to 1/16000th of a second
(When [M] is selected in Creative Video Mode, MF),
1/25th of a second to 1/16000th of a second
(Other than the above)
TZ80
Still picture:
60 seconds to 1/2000th of a second
(When the mechanical shutter is used and [Artistic
Nightscape] is selected as the Scene Guide Mode),
4 seconds to 1/2000th of a second
(When the mechanical shutter is used, in cases other than
the above),
1 second to 1/16000th of a second
(When the electronic shutter is used)
Motion picture:
1/2 second to 1/16000th of a second
(When [M] is selected in Creative Video Mode, MF),
1/25th of a second to 1/16000th of a second
(Other than the above)