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This Aqua Tech LP-VWZ Flat Port is for the Canon EF 17-40mm f/4L zoom lens. The port features a direct drive zoom control. The port is threaded and will fit all Aqua Tech housings. No tools are required to add or remove the port.
The port features a direct drive zoom control
Acrylic front element is scratch and abrasion resistant
Machined aluminum tube for port body
Front element is field replaceable
Medium diamond knurl grip for ease of installation
Piston seal o-ring on major thread base
In the Box
AquaTech LP-VWZ Flat Port for Canon EF 17-40mm f/4L Lens