Sea & Sea YS-D2 UN Package

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Sea & Sea YS-D2 UN Package

May Bank Holiday Discount
Base price was £704.17 Ex.VAT, £845 Inc.VAT

Regular Price: £845.00

Special Price Ex. VAT: £687.50 Inc. VAT: £825.00

Non Ikelite housings All Non Ikelite housings use 1/4"-20 for their tray mounting screws.
- If you have a housing with more than 2 screw holes you can choose either single or dual options depending on whether you want to attach using 1 central hole or 2 of the outside holes.

Ikelite housings
- If you have a housing with a single screw hole it will be 1/4"-20.
- If you have an ikelite housing with 2 screw holes it can either be 1/4"-20 or 12-24 depending on when you purchased it.
- If you have the ikelite G16 Non TTL housing #6147.16 this housing has 2 1/4"-20 threads.
- if you purchased your housing before or during 2015 it will have 12-24 screw threads.
- if the housings is grey/white coloured they will be 1/4"-20.
- if the housing is clear and you purchased the housing in 2016 or after you will need to check what the threads are.

Please check this link to Sea & Sea's chart of compatability. You may need to change the mode of the strobe for some camera models.

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Regular Price: £845.00

Special Price Ex. VAT: £687.50 Inc. VAT: £825.00



Includes Sea & Sea YS-D2, 10Bar Sea & Sea - Sea & Sea fibre-optic cable, UN bracket set

Sea & Sea YS-D2 Information:
The YS-D2 is the complete underwater strobe which combines power, speed and quality.

Excellent night-time visibility. The illuminated control panel is ideal for night diving.
The colour of the illumination changes to indicate mode: aqua blue (in DS-TTL mode), blue (in slave TTL mode), orange (in manual pre-flash mode) and green (in manual mode without pre-flash). You can check which mode the strobe is set even under pitch-black conditions.

Maximum guide number is a powerful 32 (ISO 100, meter). Recycle time is only 1.5 sec(*1)
The YS-D2 is powerful enough to illuminate a wide area, even under very bright conditions with plenty of natural sunlight. During macro photography, where subtle exposure control is required, manual mode can easily be selected and the guide number quickly adjusted as low as 1.
(*1) when nickel hydride AA batteries are used.

DS-TTL ll automatic exposure control with improved accuracy and stability
SEA&SEA’s own automatic exposure control system, DS-TTL ll, has been further improved. Tuning light emitting timing in detail and adding light emission detection function, the accuracy of automatic TTL exposure has been noticeably improved. Previously, TTL photography was difficult with the lens’s aperture wide-open (maximum aperture) and images were likely to be overexposed. It is now possible to give a low powered flash so the correct exposure can be easily achieved with the YS-D2.

EV control function can finely tune the amount of light emitted
By controlling the actual flash light level, the strobe achieves accurate exposure compensation with EV compensation. As the exposure compensation range has improved to +/- 2.0 EV, users can concentrate on shooting even more creative images. (-2,0EV, -1.5EV, -1EV, -0.7EV, -0.3EV, +0.3EV, +0.7EV, +1EV, +1.5EV, +2.0EV).

Two diffusers and red filters included with the strobe as standard
By attaching one of the included diffusers, the beam angle is increased to 100o or 120o (circular) with a soft and even light. The red target light filter helps avoid disturbing skittish creatures that are likely to react to normal light. The red filter is fitted inside the diffusers.

The target light can be adjusted in 2 steps
The strobe is equipped with a target light (approximately 100/300 lumen). In use (target light switch in ON position), the light will be automatically turn off when the strobe fires and will automatically turn back ON after 0.5 sec.

Ergonomically improved controls
Handling is greatly improved. Larger knobs and a new magnetic rotary switch help prevent controls being accidentally reset in use. With the new controls, quick operation is possible when photo opportunities suddenly appear.

Custom mode is a new innovation which allows the YS-D2 to be compatible with cameras with non-standard pre-flash settings
Some manufacturers use their own pre-flash timings on their cameras. The new custom function means the YS-D2 can be compatible with cameras with non-standard pre-flash in DS-TTLII and manual modes.

Additional Information

Additional Information

Beam angle 100 degrees with no diffuser
Colour Temperature 5600K
Batteries AA
Guide number in air 32
Manual mode Yes
Focus light Yes
Depth Rating 100m
SKU/EAN package-ys-d2-un
What's in the Box

Strobe Box:

  • YS-D2 Strobe (Sea & Sea #03121 -New stock, made in Japan)
  • Bolt
  • Ball Mount 
  • Allen Key and spare screw
  • Two Diffusers - 100 & 120 and Red Filters
  • Tube of Sea & Sea Grease
  • Instructions

  • UN Tray
  • Handle
  • Ball Base
  • Two Clamps
  • Arm SS


  • 10Bar Fibre Optic Cable