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| depth max. | 150m |
| Port system | N120 |
| Weight | |
| Port opening diameter | 109mm |
| Port diameter | |
| Body material | Anodized aluminum alloy |
| Port material | |
| Port coating | |
| Bayonet material | |
| Removable bayonet | |
| Spare O-ring | 90140 |
Out of stock
Ref. 21271
The Nauticam 70 extension ring with focus knob is part of the N120 port system and can be used to add an effective length of 70 mm to an N120 port configuration.
This port extension ring features a focus knob that can be used to operate optional compatible focus or zoom gears.
This 70 port extension is designed to be compatible with Canon's EF 11-24mm f/4L USM lens. Additional focusing equipment is required.
Refer to the Port Table for details on how to choose the correct extension, port and focus/zoom gear.
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