Sea and Sea YS-D2 Strobe

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Sea & Sea YS-D2 Strobe

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.

Excellent night-time visibility.
The illuminated control panel is ideal for night diving
Colour of 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.
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).

[Guide Number (ISO 100/m) (land)] : 32, 24 (with Diffuser 100 attached), 20 (with Diffuser 120 attached)
[Beam Angle] : 80°x80°  (without Diffuser), 100°x100°(Diffuser 100), 120° x 120° (Diffuser 120)
[Batteries] : 4xAA A: 6V Ni-MH: 4.8V
[Number of Flashes *1] : A: 150 Ni-MH: 200
[Recycle time (full) *2] : A: 3.0 sec. Ni-MH: 1.5 sec.
[Colour temperature] : 5600K
[Colour temperature w/diffuser] : 5250K
[Depth rating] : 100m  / 330ft
[Dimensions (WxHxD)] : 89x111x141mm / 3.5 x 4.8 x 5.6 inches (excluding YS-base) 
[Weight] : 618g / 21.0oz (w/o batteries) (excluding YS-base)
[Underwater weight] :  Approx.+40g / 1.4oz (incl. batteries)
[Others]
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

*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.

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