Zoom Gear ZG-CEF1740F4

[Description]

Anthis Zoom Gear ZG-CEF1740F4 enables zooming for the Canon EF 17-40mm F4 USM Lens via the focus/zoom knob when used with Anthis Nexus housings.

[Compatible Lens]

• Canon EF 17-40mm F4 USM

[Compatible Ports]

• FP170G-6+PE40-6
• WMLPC1740-6