Sony Releases Firmware Updates for Sony a9 II, 24mm GM & 135mm GM lenses

Published: January 17, 2020

Sony a9 II Firmware Update 1.01

Sony released Firmware Updates for Sony a9 II cameras offering faster FTP transfer and 24mm F1.4 GM & 135mm F1.8 GM lenses offering improved aperture response when lens is attached to a9, a9 II and a7R IV cameras and “Focus Priority” in “Aperture Drive in AF” menu when attached to a9 (fw 6.00 or later).

Sony a9 II (Firmware Update 1.01 download here)

Benefits and improvements:
• FTP transfer can be started earlier after shooting pictures
• Improves the overall stability and performance of the camera:
–Corrects a specific condition where the camera can sometimes turn off when playing back RAW images
–JPEG Image quality is more consistent when shooting under specific conditions

READ: Bulletproof Guide to Sony Camera Firmware Updates

Sony 24mm f/1.4 GM (Firmware Update 02 download here)

Benefits and improvements:
• Improved aperture response when the lens is attached to the ILCE-9, ILCE-9M2 and ILCE-7RM4 camera models.
• “Focus Priority” can be selected from the “Aperture Drive in AF” menu when the lens is attached to an ILCE-9 camera (with firmware version 6.00 or later).

Notes:
• It is not possible to execute the lens firmware procedure with the following E-mount cameras: NEX-5, NEX-3, NEX-C3, NEX-VG10, PXW-FS7.
• When using the PXW-FS7M2, follow the steps as specified in the instruction manual.

Sony 135mm f/1.8 GM (Firmware Update 02 download here)

Benefits and improvements:
• Improved aperture response when the lens is attached to the ILCE-9, ILCE-9M2 and ILCE-7RM4 camera models.
• “Focus Priority” can be selected from the “Aperture Drive in AF” menu when the lens is attached to an ILCE-9 camera (with firmware version 6.00 or later).

Notes:
• It is not possible to execute the lens firmware procedure with the following E-mount cameras: NEX-5, NEX-3, NEX-C3, NEX-VG10, PXW-FS7.
• When using the PXW-FS7M2, follow the steps as specified in the instruction manual.

Order Sony a9 II from B&H Photo | Amazon | Sony
Order Sony FE 24mm f/1.4 GM Lens from B&H Photo | Amazon | Sony
Order Sony FE 135mm F1.8 GM Lens 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.

Sony-FX3A-Cinema-Camera

Sony Announces Updated FX3A Cinema Camera

Published: May 8, 2025 Sony announces FX3A Cinema Camera with minor hardware updates: • LCD screen resolution upgrade: from 1.44 million dots to 2.36 million

Read More »
Sony-FE-50-150-F2-GM-FE-70-200-GM-II

Tale of the Tape: Sony FE 50-150mm F2 GM -vs- FE 70-200mm F2.8 GM II

Published: April 25, 2024 Here’s how the specs compare between the Sony FE 50-150mm F2 GM and Sony FE 70-200mm f/2.8 GM OSS II lenses.

Read More »

Sony Releases a7S III Firmware Update 4.00

Published: April 24, 2025 Sony has released a7S III Firmware Update 4.00 with major improvements to Shooting & Playback and FTP Transfer & Network functions.

Read More »

Leave a Comment

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