Sony a9 Firmware Update 3.00 Adds FE 400mm F2.8 GM OSS Support

Published: June 27, 2018


Sony has released a9 Firmware Update FW 3.00 which adds support for the new FE 400mm F2.8 GM OSS lens to optimize optical image stabilization performance, and enables continuous shooting with auto focus tracking, even when aperture is greater than F11.

The update also provides added option to input the camera serial number to the EXIF data, a feature that has been strongly requested by professional sports photographers and photojournalists.

Additionally, several other updates to the a9 camera have been implemented with the new firmware, including improved auto focus speed in low light conditions, enhanced continuous AF performance when tracking a moving subject, and reduced release time lag when shooting with flash.
This update (version 3.00) provides the following benefits:

Added functions for professionals engaged in sports/news media:

• Adds the Write Serial Number option (On/Off) to the menu for selecting your preference in writing the serial number to 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
• Adds AF Track Sens as a selectable option for custom key settings
• Adds support for all focus areas when using LA-EA3 mount adaptor
• (Focus Area options added: Zone, Expand Flexible Spot, and Lock-on AF)

Improvements in flash control performance and functionality:

• Reduced release time lag when shooting with flash
• Adds support for Slow Sync and Rear Sync when using flash wirelessly
• Adds support for white balance automatic correction when using color filter of external flash (HVL-F60RM)

Other Improvements:

• Stabilized release time lag when shooting in AF-C mode
• Improves overall stability of the camera

Benefits provided by previous updates are included in version 3.00.

Download Links:

Sony a9 FW 3.00 for MAC | WIN

[Please Note: Mac OS 10.13 High Sierra users must first run Mac OS X Driver Loader before installing this firmware update.]

Before Updating Firmware Please Read:

Bulletproof Guide to Sony Camera Firmware Updates

Order Sony a9 from B&H Photo | Amazon | Sony

Apply for B&H Photo Payboo Card

Thank you for supporting this website through purchases from our affiliate partners! We always strive to bring you the best deals and lowest prices.


Voigtlander Nokton 75mm F1.5 Aspherical E-Mount Lens Available for Pre-Order Now

Published: July 17, 2024 Voigtlander Nokton 75mm f/1.5 Aspherical Lens ($899) is a fast aperture, manual focus portrait-Length prime lens for Sony E-mount cameras. Optimized

Read More »
Sony Trade-in Deals Summer 2024

Sony Summer Trade-In Deals

Published: July 14, 2024 Get an extra trade-in bonus in addition to the value of your trade with Sony Trade-In Deals Now through 9/30/24. TRADE-IN

Read More »

Sony ZV-E10 II Available for Pre-Order NOW!

Published: July 11, 2024 Sony ZV-E10 II vlogging camera is available for Pre-Order NOW! Key Features: • 26MP APS-C Exmor R CMOS Sensor • UHD

Read More »

1 thought on “Sony a9 Firmware Update 3.00 Adds FE 400mm F2.8 GM OSS Support”

  1. Pingback: Sony FE 400mm F2.8 GM OSS Lens Review: Lightest, Sharpest, Fastest!

Leave a Comment

Your email address will not be published. Required fields are marked *