AOI Extension Ring 34mm PEN to PEN Mount Housing
| Model | ER-PN_PN-34 |
| Description | Extension Ring 34mm PEN Port to PEN Mount Housing |
| Material | Hard Anodized Aluminum |
| Dimension | 90mm (D) X54.7mm (H) |
| Weight | 141 grams (Without Silicone Rear Port Cap) |
| Accessory | Silicone Rear Port Cap (PRC-02) |