According to sonyalpharumors:
Now we know the reason why the Sony 35mm f/1.4 GM lens shipment start has been delayed. Sony Hong Kong notified that the early batch of lenses may have an issue with the ornament plate. Those lenses will now be repaired for free. Here is the press text:
Notice to Owners of the E-mount lens FE 35mm F1.4 GM for Interchangeable Lens Digital Cameras α
Sony has recently become aware that the ornament plate in some of the E-mount lens FE 35mm F1.4 GM “SEL35F14GM” for αTM Interchangeable Lens Digital Camera, may come off. However, this does not affect the optic performance of the lens.
Sony will offer free inspection and free of charge repairs for the affected lenses.
[Applicable Model and Serial Number]
E-mount lens FE 35mm F1.4 GM “SEL35F14GM” for αTM Interchangeable Lens Digital Camera
To determine whether your E-mount lens FE 35mm F1.4 GM “SEL35F14GM” for αTM Interchangeable Lens Digital Camera may be affected, click here to validate the serial number.
[How to check the serial number]
The serial number can be found on the model plate located at the bottom of the lens.
[Period for Free Repair Service]
Until March 31, 2024
If you have an affected product, please contact Sony Technical Support hotline at:
We apologize for any inconvenience caused and thank you for your kind understanding and cooperation.