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YS-250PRO Strobe Head Only - Rated up to 200 ft.

MFR Part #: SS-03108A
Samy's Part #: S-023585
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The Sea & Sea YS-250PRO is designed for demanding professionals, packed with revolutionary new features to meet the challenges of digital photography. A large circular arc tube emits a powerful flash at guide number 32 (its value on land, ISO 100/m) when power is set to FULL. It provides incremental manual flash power adjustment in 12 steps for graduations of light.  The YS-250PRO is lightning fast: it recycles in 1.8 seconds. Its high-capacity Ni-MH battery, designed exclusively for the strobe, stores enough power when fully charged for 200 full flashes.

A high-luminosity white LED target light in the center of the strobe shows precisely where the strobe is pointed, and a ready lamp and a TTL confirmation lamp on each side of the strobe indicate when the strobe is charged and when it has been controlled by the camera’s TTL. An audible signal sounds when the lamps light so you can concentrate on your subject in the viewfinder.

  • Large circular arc tube that emits a powerful flash at guide number 32 (its value on land / ISO 100 / m) when power is set to full.
  • Has a broad 105 X 105 degree angle of coverage.
  • Strobe provides incremental manual flash power adjustment in 12 steps for fine adjustment.
  • Has TTL mode for camera-adjusted light levels with the YS-250PRO converter.
  • Features a high-luminosity white LED target light in the center of the strobe. When the strobe fires the LED light in interrupted momentary.
  • The high-capacity Ni-MH battery stores enough power for 300 full flashes.
  • Connects with a fiber optic cable or Nikonos 5 pin sync cord.
  • Audible signal sounds when the ready lamps lights.
  • The strobe has two fiber-optic cable sockets, with pre-flash cancellation that handles up to two pre-flashes.
  • Slave mode allows the strobe to be used in cordless dual-strobe or multi-strobe photography.
  • Recycle time of approximately 1 second at full power.

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Flash Information
Guide Number 32 (ISO 100/m)
Power Source High-capacity Ni-MH battery
Monolight Heads Information
Recycle Time 1-Second
Power Adjustment Not Specified by Manufacturer
Trigger Yes, LED turns off when flash fires
Flash Ready Indicator Audible
Weight Land: 4.37 lbs (1.98 kg), Underwater: -0.40 lbs (-180 g)
Dimensions Not Specified by Manufacturer
Built-in Slave Yes
Continuous Lighting Information
Color Temperature 5600 K With diffuser: 5200 K
  • Ni-MH Battery Pack
  • Charger
  • Diffuser
  • Arm Fixing Bolt
  • Sensor Plug
  • Silicon Grease
  • O-Ring Installed
  • 1-Year Warranty
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