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SEA&SEA YS-01 Strobe

SKU: 03112 Categories: ,


Guide Number (ISO 100/m)(land)


Beam Angle

100° x 100° (without Diffuser), 110° x 110° (with 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: 230 / Nickel-Metal Hydride batteries: 330

Recycle Time (Full)*2

AA Alkaline batteries: 2.5 sec / Nickel-Metal Hydride batteries: 1.9 sec

Color Temperature

5600 K

Color Temperature w/diffuser

5250 K

Depth Rating

75 m/ 250 ft

Exposure Control

DS-TTL, Light level control dial (GN): 1/ 1.4/ 2/ 2.8/ 4/ 5.6/ 8/ 11/ 16/ 20 (10 steps)

Pre-flash Control

Equipped with pre-flash cancel mode

Slave Function


Other Functions

Auto power OFF function, DS-TTL function, LED target light, Over-pressure relief valve


(W x H x D) 68 x 108 x 129 mm


450 g (without batteries and attached a fixing bolt to the strobe)

Underwater weight*3

Approx. +10 g (incl. batteries)

Sync Cord

Fiber-optic cable


*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.
*3Do not use non-recommended batteries (such as lithium primary batteries). Use of non-recommended batteries may cause battery leakage and overheating and may cause the strobe to rupture, which could result in personal injury.