Extends a DL system dome or flat port by approximately 20mm (actual 0.81 inches).

Extends a DL system dome or flat port by approximately 42mm (actual 1.667 inches).

Extends a DL system dome or flat port by approximately 50mm (actual 2.000 inches).

Extends a DL system dome or flat port by approximately 28mm (actual 1.025 inches).

Nauticam N120 Extension Ring 80 with lock

Aquatica Locking Port Extension: 16.5mm, 0.65 inch

Aquatica Locking Port Extension: 63.5mm, 2.50 inch

Aquatica Locking Port Extension: 21.5mm, 0.82 inch

Aquatica Locking Port Extension: 28.5mm, 1.12 inch

Subal EXR-20/4 Extension Ring, 20mm - Type 4

Subal EXR-18/4 Extension Ring, 18mm - Type 4

N120 Port System
30mm Length

• N120 Port System
• 20mm Length

Aquatica Locking Port Extension: 74.5mm, 2.93 inch

Subal EXR-75/4 Extension Ring, 75mm - type 4

Subal EXR-33/4 Extension Ring, 33mm - Type 4

Nauticam N120 Extension Ring 35 with Lock

Subal EXR-50/4 Extension Ring, 50mm - Type 4

Aquatica Locking Port Extension: 25.5mm, 1.02 inch

N120 Port System
70mm Length

• B120 Port System
• 20mm Extension Ring

Subal EXR-90/4 Extension Ring, 90mm - Type 4

N120 Port System
50mm Length

Aquatica Locking Port Extension: 97.5mm, 3.82 inch

Aquatica Locking Port Extension: 39.5mm, 1.56 inch

• B120 Port System
• 70mm Extension Ring

This adapter allows you to combine your extension rings or ports with the new enclosures of Subal. Bayonet adapter by port bayonet size 4 on port bayonet size 3.

Subal EXR-13/4 Extension Ring, 13mm - Type 4

Subal EXR-60/4 Extension Ring, 60mm - type 4

Subal EXR-40/4 Extension Ring, 40mm - Type 4

• B120 Port System
• 40mm Extension Ring

• B120 Port System
• 60mm Extension Ring

• B120 Port System
• 30mm Extension Ring

Aquatica Locking Port Extension: 54.5mm, 2.135 inch

Subal Housing Type 4 Port bayonet

N120 Port System
40mm Length

Sea & Sea Extension Ring 30L with Port Lock

Extends any lens extension by 1.75 in (4.4 cm). Requires a compatible lens extension for attachment to the housing body.

N120 Port System
55mm Length

• B120 Port System
• 80mm Extension Ring

Aquatica Port Adaptor: Sea & Sea port to Aquatica Housing adapter

Subal EXR-65/4 Extension Ring, 65mm - type 4

N120 Port System
25mm Length

• B120 Port System
• 50mm Extension Ring

20mm Port Extension

N120 Port System
35mm Length

• N120 Port System
• 10mm Extension Ring
• Only Compatible with Extension Ring II

• B120 Port System
• 25mm Extension Ring