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Underwater Connectors
(How to recognise various underwater connectors from quite a long way away)

TTL Flash Connectors
These connectors must not be disconnected underwater. A waterproof blanking cap is required if the connector is not in use.

plug
 

socket

Nikonos 5
(N) Connector
more info

Ikelite ICS5 connector
more info
(also used on ikelite pro-video light)

Olympus
PT
(see also: Olympus flash)

Sea & Sea 4-pin
(S) connector.
more info

Sea & Sea Duo strobe connector.
(on Sea & Sea and Inon flash units)
more info


Wet Connectors
These connectors can be unplugged and re-connected underwater.
They provide manual flash triggering only (not TTL).

Electro-Oceanic
E-O
E/O
(also used for
video output)

Ikelite ICS2 (2-pin) Connector
(3rd pin is for reversal prevention only)

Male Sealock (Nelson) Connector.
On end of cable from flash unit.

Female Sealock Connector.
To camera
Impulse 6 pin connector

© D.W.Knight, Cameras Underwater 2001 - 2004


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