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Sea&Sea

Sea&Sea YS-D2 Underwater Strobe Japan

$570.00 USD

Sea&Sea YS-D2 Underwater Strobe (Japan)

- DS-TTL II function
- Slave function
- Auto power OFF function
- Support 5-pin Sync cord/N and Fiber-Optic Cable
- Over-pressure relief valve
- LED target light (output is adjustable in 2 steps)
- Audible charge signal

Excellent night-time visibility. The illuminated control panel is ideal for night diving.
Color 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.

The 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.

Choosing the right cable
In accordance with the camera and housing you use, choose either a fiber-optic cable (optional) or sync cord (optional) to connect the strobe.
* A Fiber-optic cable ll is required to use the DS-TTL ll function.

    Specifications
    YS-D2J[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.
    [Color temperature] : 5600K
    [Color 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.

      PDF Manual Download