Anthis/Nexus Zoom Gear ZGB-NAFSZ17/55 for Nikon AF-S DX Zoom ED 17-55mm f/2.8G Lens wetlens *An INON attachment lens with

*An INON attachment lens with long lens barrel such as "UFL-M150 ZM80" underwater micro fisheye lens or "UWL-S100 ZM80" wide conversion lens is supported by "AD Lens Holder DP for Float Arm"

6oz) Lens coustruction 2 elements 2 groups Focal length (air / underwater) 330mm / 330mm (13in / 13in) Body material / Finishing Corrosion resistant aluminium alloy / Rigid black almite Glass / Coating Optical glass / Inner anti-reflection coating Mount thread diameter / pitch M67-0

Olympus PT-EP12

2 Inch Port Extension to use the Canon 100mm IS USM lens

Dome Size 100mm Housings Olympus PT-EP01

Anthis/Nexus Zoom Gear ZGB-NAFSZ17/55 for Nikon AF-S DX Zoom ED 17-55mm f/2.8G Lens wetlens *An INON attachment lens withAnthis Nexus ZGB NAFSZ17 55 zoom gear enables zooming for the Nikon AF S DX Zoom ED 17 55mm f 2. 8G lens via the housing's focus zoom knob when used with Anthis Nexus dSLR housings.