The port has an M67 screw mount on the front.

*M67-M62 Step-Down Ring is required to mount the Close-UP Lens

SPECIFICATIONS:

• Required component: NX Compact Macro Port Base
• Depth rating: 100m / 330ft
• Dimensions (DIAxD)] 103x54mm / 4.1x2.2inch
• Weight Approx. 210g / 7.4oz
• Construction: Corrosion-resistant alminum alloy (anodized) + Tempered glass (multi-coated)
• Distance: Between the mount and the inner glass surface: 35mm / 1.4 inches