[Accessories] Fixing bolt、Ball Mount Strobe Adaptor、Diffuser100、Diffuser120, Red filterx2
* When the YS-D2 is used with a camera with built-in flash in housing, use the Fiber-Optic Cable.
* Use of genuine SEA&SEA Fiber-Optic Cables is recommended. SEA&SEA strobes may not function properly if a third-party Fiber-Optic Cables are used (functions such as TTL auto exposure in particular).
Do 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.
YS-D2 Umima-ru edition will be available as of December 2015.
The YS-D2 strobe is compatible with the following discontinued converters:
#50106 TTL Converter for Canon
#50108 TTL Converter ll for Nikon
#50112 TTL Converter lll for Nikon
#50114 TTL Converter lll for Canon
#50117 YS Converter / N
#50118 YS Converter / C
#50124 Internal YS Converter for MDX-5D Mark lll
#50125 Internal YS Converter for MDX-6D
Excellent night-time visibility. The illuminated control panel is ideal for night diving
Maximum guide number is a powerful 32 (ISO 100, meter). Recycle time is only 1.5 sec(*1)
(*1) when nickel hydride AA batteries are used.
DS-TTL ll automatic exposure control with improved accuracy and stability
EV control function can finely tune the amount of light emitted
Two diffusers and red filters included with the strobe as standard
Diffuser100 for YS-D1/D2 Diffuser(standard accessory)
Diffuser120 for YS-D1/D2 Diffuser(standard accessory)
The target light can be adjusted in 2 steps
Ergonomically improved controls
Custom mode is a new innovation which allows the YS-D2 to be compatible with cameras with non-standard pre-flash settings
Attaching the YS-D2
Choosing the right cable
* A Fiber-optic cable ll is required to use the DS-TTL ll function.
[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)] （Excluding protruding part(s) and the arm holder.）: 89x133x116mm / 3.5 x 5.2 x 4.6 inches (incl. YS base but excluding protruding parts)
[Weight] : 623g / 22.0oz (w/o batteries) (inc. YS-mount and fixing bolt. Without batteries)
[Underwater weight] : Approx.+40g / 1.4oz (incl. batteries)
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
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.