Ikelite B14 ICS-5 Bulkhead with M14 Threads - 46004

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B14 Ikelite ICS-5 Bulkhead with M14 Threads

About this Product

Add the Ikelite ICS-5 bulkhead to your housing for the fastest and most reliable strobe triggering available for underwater use. This bulkhead supports TTL or manual strobe exposure depending on the combination of camera system and accessories.

Similar Items: B16 Ikelite ICS-5 Bulkhead with M16 Threads # 46006

TTL Strobe Exposure

This bulkhead is capable of providing TTL communication when used in a compatible system. TTL or "Thru-the-Lens" flash metering means the camera evaluates the scene and communicates exposure information directly to the external flash. The camera adjusts the power output of the external flash each time the shutter is depressed.

TTL exposure is faster and often more accurate than setting the flash output manually. TTL can be the difference between getting a properly exposed image or not, especially when shooting fast-moving subjects and subjects that are moving towards or away from you. TTL is by far the easiest way to shoot perfectly exposed macro photography and allows you to concentrate on focus and framing. When shooting wide angle or close focus wide angle (CFWA), set your camera to properly expose the background and let the camera adjust your strobe intensity for proper exposure of the foreground.

TTL exposure requires a compatible camera, TTL hotshoe, DS Link TTL Converter, current model Ikelite DS series strobes, and an Ikelite-to-Ikelite single or dual sync cord. Refer to the table below for TTL hotshoe and converter availability by camera manufacturer.

Examples of wide angle TTL underwater by Steve Miller
Examples of wide angle photography with TTL flash taken using the DL2 DS Link Sony TTL Converter with dual DS161 strobes.

ICS-5 Plug and Bulkhead

The Ikelite ICS-5 bulkhead was designed as a more robust and reliable alternative to the finicky Nikonos V film camera bulkhead. Compared to Nikonos V (also known as N5) fittings, the ICS-5 connector system features larger and more robust gold-plated contacts. Most importantly, the easy-to-see half-moon indexing design makes it easy to orient and attach the plug connection quickly and correctly.

ICS-5 fittings have been used for decades in the most demanding industrial and commercial applications. They are often imitated and widely appreciated as one of the most reliable waterproof connections for electrical signal transmission.

TTL Underwater Strobes by Steve Miller Ikelite

TTL can even work on highly reflective subjects underwater, which can be one of the most challenging lighting scenarios.

Related Articles

The Myth of TTL Strobe Exposure Underwater

DL1 DS Link Nikon TTL Converter Underwater Photos

DL2 DS Link Sony TTL Converter Underwater Photos



Housing Compatibility

Compatible with select housings by Nauticam and other manufacturers featuring a spare M14 threaded accessory port. Hotshoe compatibility is based on camera manufacturer, desired cable direction when looking from the back of the camera, and whether a compatible TTL converter is being used.

It is recommended to water pressure test and/or take an empty housing diving at your maximum depth after installing this bulkhead and before installing a camera in the the housing. Tightness of the bulkhead to the housing body should be checked on a regular basis. 

Sync Cord Compatibility 

This bulkhead is only recommended for use with newer sync cords featuring black hard anodized plug fittings with product numbers starting with the numbers "45." Older nickel plated brass sync cord fittings may damage the threads and seize up. 

Hotshoe and TTL Converter Compatibility

Camera Direction Pin Configuration Hotshoe # TTL Converter #



Left Manual 46071 -
Canon Left TTL 46073 46074
Nikon Left Manual 46065 -
Nikon Left TTL 46066
Nikon Right Manual 46063 -
Nikon Right TTL 46064 46051



Left TTL
46030 46033



Right TTL 46035 46033
Sony Back TTL 46041 46043


In the Box
  • Bulkhead with M14 threads
  • Waterproof bulkhead cap # 9104.7 (installed)

April/May 2022 Delays:

Due to further Omicron outbreaks in Hong Kong, some products may be delayed. Not all brands or products will be affected by this. As some products are kept in stock as a matter of course, these should be fine.

  • Brands affected: Nauticam and Bigblue.

If you need things urgently please contact us and check ETA on the items you require.

How long will it take for my order to arrive after I make payment?

That depends on where you live and whether we have an item in stock or not. While we do have many items in stock, we don't carry everything. If you need an item in a hurry, it's a good idea to contact us and find out if your item is in stock.

If we have it in stock, we can usually send it out as soon as we receive payment, or you can pick it up. If an item is not in stock, we'll need to order it from our suppliers, which means it can take 1-2 weeks to arrive at your door (usually closer to a week).

Sometimes delivery can take longer, if our manufacturers are out of stock, for example, but this is unusual - we let customers know as soon as possible if something like this happens.

How do you ship my orders?

We use New Zealand Post and CourierPost to ship orders. Our default is courier, though you may organise an alternative with us by contacting us directly. CourierPost aims for next day delivery nationwide between major towns and cities in the North Island. South Island delivery can take two days. If you require next-day delivery in South Island, choose the express shipping option for the South Island. If you spend over $250 get your shipping for free!


We hope you, your families and friends are safe and healthy during the current Covid-19 situation.

As you may know we are a small team at Sea Tech Ltd. Our team has zero close contact with people outside our bubble.

We wish to assure you we are following the government health guidelines surrounding safe operating procedures. Hygiene basics such as hand washing, coughing/sneezing protocols as well as the wearing of appropriate protective equipment such as face masks.

We are continuing to follow the regular updates to government health guidelines and initiatives regarding Covid-19.

Please do not hesitate to contact us if you wish to discuss any aspect of our delivery service via Courier Post New Zealand.

We wish you all the best during these challenging times.

When you buy something from us, the price is literally exactly what it says on the tin.

If you buy something from an overseas supplier, that is most definitely not the case. While the product might seem like a great deal on screen, it's important to understand customs and import costs.

In addition to the ticket price on an overseas purchase, whatever the exchange rate is on the day (this can fluctuate wildly - trust us, we know), there are also tariffs, GST and border processing fees. This can easily add upwards of 25% to the ticket price. Items costing over NZ$1000 also incur import entry transaction fees.

In addition to these extra costs, Customs clearance can also cause delays. Sea Tech has been importing for years - we've got this down to a fine art, and we've built relationships with customs that help our items clear quickly.

By buying from Sea Tech, you avoid all the headaches, delays and extra costs. We handle all this stuff for you, so you don't even have to think about it.

Want to know more?

These Nauticam housings are non-returnable, non-refundable, non-cancellable, and may be subject to extended lead times as they are manufactured on demand. We always do our best to meet trip deadlines so please advise us if you have a trip coming up!

Why choose Sea Tech?

We're Official in a world of cheap knock-offs

Sea Tech has built its reputation and business on knowing our stuff, giving you the best, whether that's advice or products, and helping out when you need a hand. Underwater photography can be tricky and expensive, so it's best to buy local and buy official.

Why Choose Sea Tech

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