Sony α7R IV (ILCE-7RM4A) is identified in the maker source with Sony E and Full frame format. The maker source identifies this body and mount. Detailed lens functions require an exact maker compatibility table.
Advertisement
Verified specifications
| Field | Value |
|---|---|
| Lens mount | Sony E |
| Sensor format | Full frame |
| Model identity | sony-ilce-7rm4a |
| Maker model code | ILCE-7RM4A |
| Listed aliases | ILCE-7RM4A |
Advertisement
Before attaching a lens
Match the exact lens mount and model designation. No exact LensMatch lens-pair verdict has been approved for this body. A matching mount label is not a full feature test. Adapter support, cropped recording area and advanced shooting functions are assessed for a specific combination, not inferred from this body’s mount alone.
Try a documented combination
Keep exploring
Official sources and scope
Checked for this reference on October 30, 2026. Product firmware and support lists can change; inspect the current maker page for your exact revision.