N120 to Marelux Extension Ring 20 (No support of EF 11-24/F4)

Nauticam to Marelux Extension Ring 20
Canon EF 11-24mm F4 Lens Not Supported
Product Overview:
The Nauticam to Marelux Extension Ring 20 extends your port system by 20mm and allows you to use your Nauticam ports with your Marelux housing.

Specifications:
Depth Rating: 150m
Port Mount: Series 5
Body Material: Hard Anodized Aluminum Alloy