The latest firmware for the Sony a7 III is now version 2.00 released on October 10, 2018.

Firmware version 2.00 adds support for the new FE 400mm F2.8 GM lens as well as the new FE 24mm F1.4 GM lens. And if you are using the LA-EA3 mount adaptor then you might be happy to know that Zone, Expand Flexible Spot and Lock-on AF focus areas are now supported.

Unfortunately this firmware version has also introduced a check for third party batteries like Wasabi. If a third party battery is detected you’ll get a warning message that you have to OK, you then lose the percentage indicator next to the battery. It appears Sony is going to war with third party battery suppliers.

Firmware Version 2.00

Version 2.00 provides the following benefits and improvements:

Support of “SEL400F28GM”and “SEL24F14GM”

  • Optimization of the optical image stabilization performance, and addition of a new image stabilization mode of the lens (Mode 3)(Only “SEL400F28GM”).
  • Addition of a Function Ring(Lens) to the menu.
    Note: For the SEL400F28GM lens, the APS-C S35/Full Frame Sel. setting is assignable to the Function Ring in addition to Power Focus.
  • Addition of [Aperture Drive in AF] setting in the menu.
    *Using the lens “SEL400F28GM” or “SEL24F14GM”, 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.

New features:

  • [AF Track Sens] can be assigned to a custom key.
  • When used with the LA-EA3 mount adaptor [link to product page], all focus areas are supported.
    Note : Focus Area options added : Zone, Expand Flexible Spot, and Lock-on AF.
    Bracket shooting is available during silent shooting when [File Format] is set to [RAW] or [RAW & JPEG] and [RAW File Type] is set to [Uncompressed].

Other improvements:

  • Improvement of the performance and the overall stability of the camera.
  • Better reproduction of the gradation of RAW pictures.
    Note: Imaging Edge software needs to be updated to benefit from the improvement in the RAW processing.
  • When shooting with a flash in an environment with flickering light sources, the stability of the exposure is improved.
  • Improvement of managing continuously shot images as a group.
    Please refer to the HelpGuide for updated function usage.

US readers can download the firmware from Sony’s support website here.
UK readers can download the firmware from Sony’s support website here.


 

Previous a7 III Firmware Versions

Firmware Version 1.01

Version 1.01 provided the following benefits:

  • Resolves an issue where blinking pixels may appear at bottom edge of the camera setting and with certain lenses, especially during XAVC S 4K (PAL 25p) recording
  • Resolves a rare issue where the touch panel cannot be operated
  • Improves overall stability of the camera

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