Return Home with Better Memories

Ikelite DS-51 Strobe - Mounted on a Ikelite Flex Arm Light Set

SKU: IK-4044.4
Stock Status: Usually ships within 3-5 business days
Orders ship out of Blaine, WA

Availability: Usually In stock

  • 1 x DS51 strobe
  • 1 x Diffuser
  • 1 x Waterproof bulkhead cap
  • 1 x Flex arm
  • 1 x TTL sync cord
  • 1 x Silicone lubricant 1cc tube
Top Product Features:
  • This kit combines everything you need to add a strobe to any Ikelite compact or DSLR TTL system. The compact, lightweight and affordable Ikelite DS-51 Substrobe is an excellent choice for any underwater photographer.
  • Guide # (ISO 100) in feet - 56 surface - 28 underwater * Angle of Coverage 70 degrees or 80 degrees with diffuser, 200 flashes per full charge, Depth Rating 90m - 300 feet, Recycle time of 3.5 seconds (Full power)
  • Flex Arm - Built of flex tubing components, this system is the ultimate in lightweight travel. This kit includes strobe mount, 12 pieces of 3/4 flex arm extension and mounts for both Quick Release Handle and Micro Tray. A great start to any system, provid
  • TTL Sync Cord - Coiled sync cord with Ikelite-style plugs on both ends. Provides TTL operation with any compatible system featuring an Ikelite-style electrical bulkhead and DS strobe. The Ikelite-style plug is widely recognized as the most reliable waterp
  • The DS51's intensity and angle of coverage make it equally suited for macro and general photography. Its digital electronics make it fully compatible with digital cameras, including TTL, as well as traditional film cameras such as the Nikonos.
Main Specs:
  • First Light: Ikelite DS-51 Strobe
  • Tray/Arm System: Ikelite Flex Arm

About the DS51

Features Highlight

  •  50 Watt/seconds power with a guide #28
  •  70° angle of coverage, 80° with diffuser
  •  Recycle time of 3.5 seconds (Full power)
  •  Up to 200 flashes with full power batteries
  •  In manual mode, the strobe offers 10 power settings in half-stop increments

TTL and Manual Exposure
The DS-51 operates TTL when connected by an appropriate sync cord to some Ikelite housings. Alternatively, the DS51 provides a manual exposure mode with six manual power settings in one-half f-stop increments for precise illumination of subjects.

Power Source
The strobe uses 4 x Alkaline or NiMH "AA" type batteries (not included)

Key Features


Strobe head only

Guide No.

56 Surface, 28 Underwater

Power Rating

50 Watt/seconds

Coverage Angle

70° (28mm Lens Coverage);  80° with diffuser

Depth Rating

300 feet  (90 meters)

Flash Modes

TTL, Manual

Exposure Control

Six manual power settings in one-half f-stop increments



Targeting/Focus Light


Audible Signal


Color Temperature

5700° K

Recycle Time

3.5 Seconds

Flashes (Full Power)

Approx. 200

Power Source

4 x AA Alkaline or NiMH Batteries (not included)


3.2 x 3.2 x 4.7 inch (81 x 81 x 119 mm)

Weight (Land)

1.3 lb (0.59 kg)


Ikelite Recommended Accessories

Ikelite 1 inch ballhead flash mount adapter, part 9571.4
This Ikelite ballhead flash mount adapter is used to attach a Ikelite Substrobe to a Ikelite 1 inch diameter arm system. The adapter also works with Aquatica TLC and Ultralite arm system.

Ikelite Sync Cords and cords for Manual Control
A variety of Ikelite sync cords and cords for manual control are available to connect this strobe to Ikelite and other housings. Contact us for more info.

Ikelite Arms and Trays
A variety of Ikelite arms and trays are available to connect this strobe to Ikelite housings and other housings. Contact us for more info.

#4044.5 NiMH Batteries & Rapid Charger

  • Includes four 2700mAh "AA" NiMH rechargeable cells with 110/200V charger. Both US plug and 12V automobile accessory power supplies are included.
  • Charger accepts either "AA" or "AAA" NiMH cells ("AAA" cells not included). Cells can be charged two or four at a time. Recharge time is only 90 minutes for four cells
Stock 2
Lead Time 6
Popularity 40
Warranty Note 1 Year by Ikelite
Camera Brand Universal
Warranty & Returns

Manufacturer Warranty: 1 Year by Ikelite

Warranty Terms

Mozaik is an authorized dealer of each and every brand offered for sale.  All products are sold with a manufacturer’s warranty. The terms, limitations and period of the warranty are solely determined by the manufacturer and are marked on the product page and/or on the manufacturer’s web site.

Implementing the warranty can be done either through us or directly with the manufacturer.  We are always here to help with any issue that may arise and will be happy to take care of any repairs or check-ups for you.  Read more..

Return Policy

If for any reason you are not satisfied with a product you purchased you can request to return it within 60 days of the original delivery date, subject to the following conditions Read more..

Taxes and Cross-Border

Canadian Customers

All orders shipping to Canada will be charged local sales tax according to the province ( GST / PST / HST). 

Mozaik is responsible and will pay all import fees (including duty and brokerage fees). Our broker will take care of any such fees before the product reaches your door.
Any accidental charges will be reimbursed.

US Customers

Orders shipping to the USA will ship through our US logistics center in Blaine, WA thus free of any border fees. 

International Customers

We do not charge taxes, yet, you may be subject to local sales tax and customs duties in your country.