Sea & Sea

Sea & Sea YS-D2J Strobe

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The YS-D2J has been replaced by the YS-D3ii or YS-D3 DUO.
Check them out!

The YS-D2J has been replaced by the YS-D3ii or YS-D3 DUO.
Check them out!


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Sea & Sea YS-D2J Strobe (Yellow)

Read our complete original YS-D2 strobe review on UWPG


The Sea & Sea YS-D2J Underwater Strobe has been replaced by the Sea & Sea YS-D3II Underwater Strobe, or the Sea & Sea YS-D3 Duo Underwater Strobe

The NEW YS-D2J Strobe is the same great YS-D2 only with improved functionality. Sea & Sea has returned their manufacturing to Japan, to improve in quality and reliability. Look for the yellow body on the new strobes to differentiate between versions.

The Sea & Sea YS-D2J underwater strobe offers unique improvements over the original YS-D1 with features not available on any other underwater strobe. New audible confirmation provides TTL (Through the Lens) and Ready Light confirmations. In addition the rear panel now offers glowing controls for easy to read settings underwater and quick confirmation of what mode you are in.


The design on the rear of the strobe offers improved dials, easy to see glowing controls and an updated settings wheel for manual and TTL exposure control from previous YS strobes (the rear and is the same as the original YS-D2).

Sea & Sea YS-D2J Features (Different than YS-D1):

  • Audible Confirmation
  • Glowing Control Panel
  • New Control Knobs
  • Dual Powered Focus Light with Included Red Filters
  • Redesigned Battery Compartment
  • Improved Recycle Time (full): 1.5 seconds with Ni-Mh batteries (YS-D1 is 1.9 sec)

Glowing Rear Control Panel:

The glowing control panel gives you a visual confirmation of TTL and Ready Light functions. It also changes color based on the mode set on the strobe so you always know what mode you are shooting in.

YS-D2J comparison: with pre-flash, without pre-flash, DS-TTL, Slave-TTL, TTL

With Pre-Flash               Without Pre-Flash                  DS-TTL                    Slave-TTL, TTL

Sea & Sea's Compatibility Camera Chart for YS-D2 Strobes.

Other Features:

  • Exposure control:
    • DS-TTL II, Slave TTL,
    • Light level control dial(GN):
    • 1/1.4 /2/2.8/4/5.6/8/
    • 11/16/22/32 (11 steps)
  • Pre-flash control:
    • Equipped with pre-flash cancel mode
  • DS-TTL II function
  • Slave function
  • Auto power OFF function
  • Sync cord:
    • 5-pin Sync cord/N, Fiber-Optic Cable
  • Over-pressure relief valve
  • LED target light (output is adjustable in 2 steps)
  • Audible charge signal

Recommended Cords and Cables for the Sea & Sea YS-D2J:

*Note the BWP Fiber Optic cable is not a multi core cable and is not compatible with most flash triggers. For best light transmission we recommend the official Sea & Sea cables or another high end multi core cable such as the Nauticam.

Looking for ideas for your next dive trip with your Sea & Sea YS-D2J strobes, click here for some ideas.

Related Underwater Gear Categories:

Video Review (original body):


  • Guide Number - 32
    • GN - 24 (with Diffuser 100 attached)
    • GN - 20 (with Diffuser 120 attached)
  • Beam Angle - 80° x 80°
    • 100° x 100° with Diffuser 100
    • 120° x 120° with Diffuser 120
  • Controls: Mode, Target Light, Light Level
  • Indicator: Ready / TTL Lamp
  • Color Temp: 5600K (5250K with Diffuser attached)
  • Recycle Time (full): Ni-Mh Approx 1.5sec, Alkaline Approx 3 sec
  • Battery Type: AA x 4
    • Use 4 of the same type of battery, Alkaline or NiMH are OK, never use Lithium)
  • Battery Life (full flashes): NiMH 200 Flashes, Alkaline ~150 Flashes
  • Depth Rating: 100m / 330ft
  • Dimensions (WxHxD): 89 x 133 x 116mm / 3.5 x 5.2 x 4.6 in
  • Weight: Approx 623g / 22 oz (without batteries)
  • Weight Underwater: Approx 40g / 1.82 oz (with batteries)
Weight: 2.00 LBS
Dimensions: 6.00 (in) × 6.00 (in) × 8.00 (in)
Free Worldwide Shipping: No
Brand: Sea & Sea
  • 100° Diffuser
  • 120° Diffuser
  • Diffuser Strap x 2
  • Ball Mount Strobe Adapter
  • Fixing Bolt
  • M4 hexagon Wrench
  • Spare Bolt Cap x 1
  • Red Filter x 2
  • Silicone Grease

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