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DSLR Lens Port Extensions

DSLR Lens Port Extensions

An interchangeable lens camera demands a housing with interchangeable lens ports. Some lenses require an extension or adaptor, please use our Port Selector (at left) to find recommended combinations, or see our Port Charts page for more ideas.

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21190 - Used
Nauticam N120 Extension Ring 90 with Lock (Used)
$374.95 $582.00
You save: $207.05
22155
Nauticam N120 Extension Ring 55II with Lock
$404.00
SS-56201
Sea & Sea Macro Port Base
$299.95
16336
Nauticam N120 Port Adaptor for Laowa 24mm f/14 2x Macro P...
$817.00
22190
Nauticam N120 Extension Ring 90II with Lock
$457.00
22180
Nauticam N120 Extension Ring 80II with Lock
$422.00
75050
Ikelite DL 50mm Port Extension
$274.95
75042
Ikelite DL 42mm Port Extension
$249.95
75028
Ikelite DL 28mm Port Extension
$224.95
75020
Ikelite DL 20mm Port Extension
$225.00
22125
Nauticam N120 Extension Ring 25II with Lock
$413.00
22135
Nauticam N120 Extension Ring 35II with Lock
$387.00
SS-31169
Sea & Sea Zoom Gear for Sigma 17-70 MM OS HSM Lens
$209.95
SS-30124
Sea & Sea Extension Ring 30L with Port Lock
$284.95
SS-30125
Sea & Sea Extension Ring 40L with Port Lock
$299.95
SS-30123
Sea & Sea Extension Ring 20L with Port Lock
$279.95
SS-30117
Sea & Sea Extension Ring 46 with Focus Knob
$579.95
22120
Nauticam N120 Extension Ring 20II with Lock
$360.00
22130
Nauticam N120 Extension Ring 30II with Lock
$378.00
22140
Nauticam N120 Extension Ring 40II with Lock
$395.00
22150
Nauticam N120 Extension Ring 50II with Lock
$395.00
22170
Nauticam N120 Extension Ring 70II with Lock
$413.00
5510.58
Ikelite 1.75in Port Ext. Ring
$225.00
5510.50
Ikelite .75in Port Ext. Ring
$225.00
21520
Nauticam to Sea & Sea Ext. Ring 20
$422.00
22110
Nauticam N120 Extension Ring 10II
$158.00
22160
Nauticam N120 Extension Ring 60II with Lock
$404.00
5510.22
Ikelite 5510.22 Port Body
$250.00
5510.28
Ikelite Modular 5.1-inch Lens Extension
$275.00
SC-PVL-20
SEACAM Extension 20
$268.71
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Recent Blog Articles Recent Blog Articles

Olympus 7-14mm f/2.8 PRO & 8mm FE f1.8 PRO Lens Underwater Port Guide
The new Olympus MZ ED 7-14 f/2.8 PRO and MZ ED 8mm FE PRO lenses are very popular. They are sharp, fast, well-made and open up new abilities to shoot underwater in low light (see our reviews here and here). There are a number of ways to house these new lenses depending on how you shoot, or what dome ports and parts you might already own.
Read more