Sony A9 firmware update 3.10 released

Sony issued a new firmware update for the Sony A9 with the following benefits:

• Support of “SEL400F28GM”
  Adds a [Silent priority] option to the [Aperture Drive in AF] setting in the menu.
  *Using the lens “SEL400F28GM”, when [Silent priority] is selected, the sound emitted by the aperture drive will be reduced. This is useful in shooting conditions where camera noise should be kept to a minimum. Note that Auto Focus may become slower when [Silent priority] is selected.
• Other improvements
  Improves the overall stability of the camera