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SEA&SEA YS-D2 Strobe (Made in Japan)

SKU: 03121 Categories: ,

Product Description

The complete underwater strobe which realizes power, speed and quality.


Guide Number (ISO 100/m)(land)

20 (with Diffuser 120 attached), 24 (with Diffuser 100 attached), 32

Beam Angle

100° x 100° (Diffuser 100), 120° x 120° (Diffuser 120), 80° x 80° (without Diffuser)


Only use x 4 AA batteries of the same type and make (1.5V Alkaline or 1.2V Nickel-Metal Hydride).

Number of Flashes*1

AA Alkaline batteries: 150 / Nickel-Metal Hydride batteries: 200

Recycle Time (Full)*2

AA Alkaline batteries: 3.0 sec / Nickel-Metal Hydride batteries: 1.5 sec

Color Temperature

5600 K

Color Temperature w/diffuser

5250 K

Depth Rating

100 m/ 330 ft

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

Slave Function


Other Functions

Audible charge signal, Auto power OFF function, DS-TTL II function, LED target light (output is adjustable in 2 steps), Over-pressure relief valve


(W x H x D) 89 x 133 x 116 mm (incl. YS base but excluding protruding parts)


623g (incl. YS-mount and fixed bolt, without batteries)

Underwater weight*3

Approx. +40 g (incl. batteries)


*1 Number of flashes and recycle time depends on the battery brand, temperature and frequency of use.
*2 Number of flashes and recycle time of Ni-MH batteries were tested on 2400 mAh batteries.