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The AOI ER-AX_AX-40 Extension Ring is a 40mm extension designed for AX-to-AX port mounts, enhancing underwater photography by ensuring optimal lens positioning. Made from polycarbonate with glass fiber (PC + GF), it offers durability and corrosion resistance.
Specifications:
- Dimensions: 134mm in diameter and 55.3mm
- Weight: 233.5g
In the Box:
- Front lens cap (LFC-101)
- Rear lens cap (LRC-101)