AOI Extension Ring - 40mm AX to AX Port Mount
| MODEL | AOI ER-AX_AX-40 | |
| DESCRIPTION | Extension Ring - 40mm AX to AX Port Mount | |
| MAIN BODY MATERIAL | PC + GF | |
| DIMENSIONS | 134mm (D) X 55.3mm (H) | |
| WEIGHT | 233.5 g | |
| ACCESSORIES | Front Lens Cap (LFC-101) / Lens Rear Cap (LRC-101) | |