Sony a9 Firmware 3.01 Released


Sony released firmware 3.01 for the a9 today and it primarily adds support for the Sony FE 400mm f/2.8 GM OSS. You can download a copy here and read more about the update below.

Benefits and Improvements from the latest update

  • Corrects a symptom where, in some cases, the camera may not operate properly after updating the software to Ver. 3.00
    – For cameras which were updated to Ver. 3.00 and then to Ver. 3.01, the registered customised settings for the Fn (function) menu may be lost.
    In such a case, please customise the menu again to your preference by going to:
    [MENU]-[Camera Settings2]-[Function Menu Set]
  • The Ver. 3.01 software also includes the following updates from Ver. 3.00
  • Introduces support for the new lens “SEL400F28GM”
    • Optimisation of optical image stabilisation performance, and support for the new image stabilisation mode of the Lens (Mode 3).
    • Addition of [Function Ring(Lens)] to the menu
      *For SEL400F28GM, [APS-C S35/Full Frame Sel.] setting can be assigned to the Function Ring, in addition to [Power Focus].
    • Addition of [Aperture Drive in AF] to the menu
      *With the SEL400F28GM, focus will not be locked even during continuous shooting at F-values greater than F11, under the following conditions: AF-C, electronic shutter, [Aperture Drive in AF] menu set to [Focus Priority]. Note that continuous shooting speed might be slow when F number is over F11.
  • Added function for professionals engaged in sports/news media:
    • Adds a [Write Serial Number] option (On/Off) to the menu, enabling or disabling the inclusion of the camera’s serial number in the Exif data
  • Improvements in auto focus performance and functionality
    • Improves tracking performance of moving subjects in AF-C mode
    • Improves auto focus speed in low light conditions
    • Adds [AF Track Sens] as a selectable option for custom key settings
    • Adds support for all focus areas when using the LA-EA3 mount adaptor (Options added to [Focus Area]: “Zone”, “Expand Flexible Spot” and “Lock-on AF”)
  • Improvements in flash control performance and functionality
    • Reduces the release time lag when shooting with a flash
    • Adds support for [Slow Sync.] and [Rear Sync.] when using a flash wirelessly
    • Adds support for white balance automatic correction, when using the colour filter of an external flash (HVL-F60RM)
  • Other improvements
    • Stabilises the release time lag when shooting in AF-C mode
    • Improves the overall stability of the camera
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