Nauticam N120 Macro Port 87Dimension: Diameter: top 67 mm; bottom; 132mm; length: 110mmDepth rating: 100mConstruction: Hard anodised aluminum alloyGlass material: optical BK-7 (Dia: 65mm; Thickness: 8mm)Weight: 470gWith standard 67mm thread for close up lens.For use with Nikkor 105mm F2.8G IF-ED.
