Sony a9 Instruction Manual page 241

• The duration of time available for continuous movie recording when
the camera records with the default settings after the power has been
turned off for a while is as follows. The values indicate the continuous
time from when the camera starts recording until the camera stops
recording.
Ambient
temperature
20°C (68°F)
30°C (86°F)
40°C (104°F)
[Auto Power OFF Temp.]: [Standard]
HD: XAVC S HD (60p 50M/50p 50M, when the camera is not connected
via Wi-Fi)
4K: XAVC S 4K (24p 60M/25p 60M, when the camera is not connected
via Wi-Fi)
• The duration of time available for movie recording varies with the
temperature, file format/record setting for movies, Wi-Fi network
environment, or condition of the camera before you start recording. If
you frequently recompose or shoot images after the power is turned
on, the temperature inside the camera will rise and the recording time
available will be shorter.
• If the icon appears, the temperature of the camera has risen.
• If the camera stops movie recording due to a high temperature, leave
it for some time with the power turned off. Start recording after the
temperature inside the camera drops fully.
• If you observe the following points, you will be able to record movies for
longer periods of time.
– Keep the camera out of direct sunlight.
– Turn the camera off when it is not being used.
• When [ File Format] is set to [AVCHD], the file size of movies is limited
to approx. 2 GB. If the movie file size reaches approx. 2 GB during
recording, a new movie file will be created automatically.
Continuous recording time for
movies (HD)
Approx. 29 min.
Approx. 29 min.
Approx. 29 min.
Continuous recording time for
movies (4K)
Approx. 29 min.
Approx. 29 min.
Approx. 29 min.
GB
241