Sony a7R IV Firmware Update 1.20 Improves Video AF with the FE 12-24mm F2.8 GM lens

Sony a7R IV Firmware Update

Sony a7R IV Firmware Update 1.20 improves Video AF with the FE 12-24mm F2.8 GM lens and improves overall stability. As always, I recommend all users keep their firmware up to date even if you don’t plan to shoot video with the FE 12-24mm F2.8 GM lens. Sony always packs in a few things useful improvements under the heading of “Improves the overall stability of the camera”

UPDATE: (9/1/20) Sony a7R IV FW Update 1.20 is also required for Sony LA-EA5 lens adapter support.

Benefits and Improvements

• Improves the Auto Focus (AF) performance when recording movies with the FE 12-24mm F2.8 GM
• Improves the overall stability of the camera
• Provides Sony LA-EA5 lens adapter support

Previous Benefits and Improvements

[All Previous Benefits and Improvements are also included in this Update]

File Name

ILCE-7RM4 System Software (Firmware) Update Ver. 1.20

File Version


Release Date


Download Links:

(Scroll to the bottom of the download page to select ‘Download without creating account’ to skip sign-in)


The latest Sony Firmware Updates are only compatible with Mac OS 10.13 – 10.15

1. Make sure the camera’s USB Connection is set to Mass Storage

2. WITHOUT CONNECTING THE CAMERA, Click on UpdateSettingTool.

3. Once you see this message, connect the camera.

4. Follow prompts to begin the firmware update. Make certain to follow instructions in the linked post below.

Before Updating Firmware Please Read:

Bulletproof Guide to Sony Camera Firmware Updates

Order Sony a7R IV from B&H Photo | Amazon

Apply for B&H Photo Payboo Card


Sony Unlocks In-Camera Forgery-Proof Technology

Sony announces the availability of its in-camera forgery proof photo technology for corporate business users. Using digital signatures processed at capture, Sony technology supports detection

Read More »

Sony FX3 Joins the List of Netflix-Approved Sony Cameras

Sony FX3 Cinema Camera officially joins the list of Netflix-Approved Sony Cameras that also includes Sony Venice, Sony Venice 2 6K, Sony Venice 2 8K,

Read More »

Tamron Announces Development of 50-400mm F/4.5-6.3 Di III VC VXD Fullframe E-Mount Lens

Tamron announces development of an upcoming 50–400mm F4.5–6.3 Di III VC VXD zoom for Sony full-frame E-mount cameras expected to be available in ‘Fall 2022,’

Read More »

3 thoughts on “Sony a7R IV Firmware Update 1.20 Improves Video AF with the FE 12-24mm F2.8 GM lens”

  1. Pingback: Sony LA-EA5 A-mount Lens Adapter Review

Leave a Comment

Your email address will not be published.