B01KA7CRSA Ikelite SLR Macro 135mm Port for Canon G3X Housing [9306.05]

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Package Includes:1 x Zoom Port,1 x Vinyl port cover,1 x Lubricant
Compatible With: Ikelite
The optional 135mm Macro Port can be used in place of the housing’s original port to shoot extreme close-up photography underwater.
The original lens port is removed and the 135mm Macro Port simply threads into the front of the housing for quick and easy installation.