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DS51 II 50Ws TTL Underwater Strobe

Name: Ikelite DS51 II TTL Strobe - 40051
Brand: Ikelite
SKU: IKE-40051
Price: 982.5 NZD
Availability: InStock

Compact, lightweight and affordable power for any camera system.

If size and weight are your primary deciding factors, the DS51 II is for you. The DS51 II is one of the smallest and lightest strobes in its class weighing in at less than one pound (443g) per strobe. The compact size makes it simple to position the strobe for macro, super macro, and close focus wide angle.

Power for situations where compact size and weight are critical

There's a simple rule to underwater lighting: more is better. A fast and powerful strobe is the easiest way to improve your underwater photos.

View comparison chart

Controls	6 steps in 1/2-stop increments
Strobe Connector	Ikelite Bulkhead
Port Mount	None
Accessory Port	5700K
Depth Rating	330 feet (100 meters)
Weight	15 oz
Dimensions	3.2" diameter x 4.7" length (81 x 119 mm)

Instruction Manual

Taken with DS Strobes underwater

(Click to enlarge)

Ergonomics

You won't need a pair of tweezers to set the DS51 strobe. The strobe power/exposure mode switch is prominent on the rear of the strobe with a bright white detail makes it easy to see where it's pointing.

When used in TTL mode together with a compatible TTL converter, your camera will meter the scene and adjust strobe power automatically.

True TTL Exposure

TTL flash exposure takes advantage of your camera's sophisticated light metering system to automatically adjust flash output. In TTL flash mode the camera triggers a pre-flash - before the image is captured - and uses information it receives back to adjust output in time for the photo. Our line of proprietary TTL converters translates this signal for correct flash exposure underwater with Ikelite DS strobes. Simply leave the strobe in the TTL setting and focus on composition and camera exposure settings.

The advantages of TTL metering are far greater than simply variable flash output. TTL improves recycle time, enables burst shooting, and saves battery life of both your camera and your strobe. TTL is critical when shooting fast-moving subjects both large and small.

Mix and Match

Most shooters choose a one or two DS51 II strobes for macro and dual DS51 II strobes for wide angle. Combining the DS51 with brighter strobes like the DS160 II, DS162, or DS230, can also add depth and contrast to your images. Attach the less powerful strobe as a secondary when mixing strobes of different intensity.

The DS51 II supports a wide variety of triggering methods to fit virtually any application in, out of, and around the water.

Trigger the DS51 II directly from your camera using either an electrical sync cord with ICS-5 plug or by adding an optional fiber optic converter. The DS51 II supports exposure communication with most popular camera models using our line of high-accuracy TTL converters.

Remote triggering is supported by both optional extension cords and/or optical slave converter. Position your strobes at a distance from your camera for a variety of creative lighting set-ups including cave lighting, off-camera wreck lighting, and pool studio photography.

When using an optical slave or fiber optic trigger, each strobe needs its own triggering device. When using a DS Link TTL Converter, connect two strobes using a dual Y-shaped sync cord.

If you're unsure which connection is right for you, reach out to us for the right advice. We'll need to know the make and model of camera and housing you're shooting along with your shooting location and subject matter.

A Name to Trust

Ikelite was the first to introduce these underwater strobe technologies which are considered standard today: aiming lights, interchangeable cords, removable battery packs, smart charging, battery power indicators, wireless TTL slave sensors, built-in video lights, and TTL communication with digital cameras.

We have the longest track record in the design and manufacture of professional strobe lighting for underwater use. We offer the only underwater strobes designed and manufactured in the USA and distributed worldwide to over 95 countries.

In the Box

DS51 Strobe
Battery Door # 9440.45 (installed)
Diffuser # 0561.2 (installed)
1" Ball Mount # 4081.4 (installed)
Waterproof bulkhead cap # 9104.7 (installed)
2 year limited warranty

I often need several strobes for my work in underwater caves. Ikelite has always offered a robust build, high power and reliability. That is very important to me in the field.
Jill Heinerth
Explorer & Professional Photographer

I have been shooting Ikelite strobes for over 40 years. 95% of my library of over 300,000 images have been shot with Ikelite strobes. The remaining 5% are available light. The clean wide angle of coverage of these strobes have been essential to my success with these images.
David Fleetham
Professional Photographer

I’ve spent months shooting underneath the Antarctic ice in the past 20 years, including filming for the BBC Life series. Ikelite strobes have been the only ones I found to be dependable enough for professional use in the harshest conditions on Earth.
Norbert Wu
Professional Photographer

In a trip to the Revillagigedo Archipelago, I was fortunate enough to witness hundreds of the ocean's top predators and nailed each shot time and time again. With quick recycle times and accurate TTL, the only time I touched my strobes was to adjust position and paint the light the way I wanted it in a scene.
Nirupam Nigam
Underwater Photography Guide

The Ultimate Flexibility

Only Ikelite DS strobes are capable of powering external accessories through the electrical bulkhead.

This reduces maintenance and eliminates missed opportunities due to low batteries. It also opens up a whole world of creative potential. Thanks to the ICS-5 bulkhead, the DS51 is compatible with a wide variety of triggering options, including TTL converters for every major camera system, extension cords for unique strobe positioning, high sensitivity remote triggers, and a full range of fiber optic options.

Electrical Ikelite Bulkhead or DS Link TTL Converter

Connect to these systems using a single or dual (Y-shaped) Ikelite-to-Ikelite Sync Cord.

what you need

Fiber Optic OM System, Olympus, and Panasonic Systems

Use with a compatible camera's RC mode by adding the RC1 TTL Receiver.

What you need

Fiber Optic TT5 Canon TTL Transmitter

Get fast and accurate exposure by adding an RC2 Fiber Optic Receiver.

what you need

Fiber Optic Non-Pre-Flash Mirrorless or DSLR Camera & Remote Triggering

Trigger manually with either a fiber optic cord or remotely by another strobe.

what you need

Fiber Optic Pre-Flash Compact Camera System

Trigger from the built-in flash of a compact digital camera from Canon, Sony, or Nikon.

what you need