Nauticam N120 Extension Ring 10 II

N120 port system — 10mm extension for the "II" (integrated-bayonet) ports

The Nauticam N120 Extension Ring 10 II adds 10mm of effective length within the current N120 "II" port system — the ports and extension rings built with the integrated bayonet ring introduced in 2022. It's the short ring for fine-tuning lens-to-port spacing, and stacks with the rest of the Extension Ring II series.

This is part of the newer "II" system: it is not interchangeable with the older "with lock" extension rings or detachable-plastic-bayonet ports. Check the compatibility list below before ordering.

Consider this extension ring if you:

• Run the current N120 "II" port system (integrated bayonet ring; ports shipping from 2022)
• Need a short 10mm step to fine-tune lens-to-port spacing
• Are building a stack with other Extension Ring II rings

At a Glance

Nauticam does not publish depth rating, weight or dimensions on this product page.

Compatibility

The Extension Ring 10 II works only with the current "II" port system — ports with the integrated bayonet ring (shipping from 2022, including the 18812 230mm fisheye dome port II from serial A522451 onwards) and the Extension Ring II series below. It is not compatible with detachable-plastic-bayonet ports, the WACP-1, or the older "with lock" extension rings.

Works with — Extension Ring II series:

• 22120 N120 Extension Ring 20 II
• 22130 N120 Extension Ring 30 II
• 22135 N120 Extension Ring 35 II
• 22140 N120 Extension Ring 40 II
• 22150 N120 Extension Ring 50 II
• 22155 N120 Extension Ring 55 II
• 22160 N120 Extension Ring 60 II
• 22170 N120 Extension Ring 70 II
• 22180 N120 Extension Ring 80 II
• 22190 N120 Extension Ring 90 II

Not compatible with:

• 85201 WACP-1 (plastic bayonet ring)
• 21120 Extension Ring 20 with lock
• 21125 N120 Extension Ring 25 with lock
• 21130 Extension Ring 30 with lock
• 21135 N120 Extension Ring 35 with lock
• 21140 Extension Ring 40 with lock
• 21150 Extension Ring 50 with lock
• 21155 Extension Ring 55 with lock
• 21160 Extension Ring 60 with lock
• 21170 Extension Ring 70 with lock
• 21180 Extension Ring 80 with lock
• 21190 Extension Ring 90 with lock

Resources

• N120 Extension Ring 10 II — PDF Manual
• N120 port charts (choose the correct extension + port for your lens): Canon EF, Canon RF, Canon RF II (C50 / R6III), Nikon F, Nikon Z7 / Z7II / Z8 / Z9, Nikon Z6III / Z5II, Nikon ZR, Panasonic L, Fujifilm GF, Cinema (Canon)