Cart

View Cart

Your cart is currently empty.

Continue shopping

N120 Extension Ring 70 with Focus Knob

N120 Extension Ring 70 with Focus Knob ~for Canon EF 11-24mm f/4L USM

for Canon EF 11-24mm f/4L USM

SKU # 21271

$ 680.00

Find Locally

The Nauticam Extension Ring 70 with Focus Knob is part of the N120 Port System and can be used to add 70mm effective length to an N120 Port setup.

This Port Extension ring features a focus knob that can be used to operate supported optional focus or zoom gears.

This Port Extension 70 is designed to support the Canon EF 11-24mm f/4L USM lens.  An additional focus gear is required.

See Port Chart for more details on choosing the correct extension, port and focus/zoom gear.

Technical Specifications

Depth Rating 150m
Port System N120
Weight
Port Opening Diameter 109mm
Port Diameter
Body Material Anodized Aluminum Alloy
Port Material
Port Coating
Port Shade Material
Removable Port Shade
Spare O-ring 90140

Introducing N120 Extension Ring 70 with Focus Knob

Resources

Additional Data:

  • Effective length: 70mm
  • When using with the Canon EF 16-35mm f/2.8L II USM lens, swapping the internal cog may be required.

    Support & Downloads

    Port Chart

    Reviews

    Back to N120 Port System

    FROM THE FIELD

    Images and videos from Nauticam gear in the wild

    Canon EF 11-24mm f/4L USM Lens Support