Sea&Sea DX MACRO PORT 52

The front of the port is threaded so accessory lenses and filters with M67 mount can be used.

*M67-M62 Step Down Ring58122 is required to mount the  Close-UP Lens 12552119

Depth rating  :100m / 330ft
Dimensions (DIAxD)  :132x62.5mm / 5.3x2.5inches
Weight   : Approx. 360g / 12,7oz
Construction   :Corrosion-resistant alminum alloy (anodized) + Tempered glass (multi-coated)
Distance   :Between the mount and the inner glass surface: 34mm / 1.3 inches