No it isn't. This lens is made for APS-C cameras. But the Sony A7 III is a full-frame camera, only lenses that are also made for full-frame can be used without restrictions. https://michaeloeser.com/vollformat...
This was an accidental double entry, both articles are identical. However, we have now been able to merge them and have deactivated Art. "15838520" accordingly. Thank you for bringing this to our attention.