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SEA & SEA YS-250 PRO Strobe (Black)
SEA & SEA YS-250 PRO Strobe (Black)
Mfr# 03525
Our Price: $699.95
Availability: Discontinued
This item that is discontinued. You may purchase the accessories for this item.
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Sea&Sea new YS flagship model for professionals is fast and powerful with broad coverage: guide number 32, beam angle 105°

Main Features:

  • Guide Number (land, ISO 100/m): 32
  • Recycle time: approx. 1.8 sec
  • Circular arc tube with the beam angle 105°x 105°
  • LED target light located in the center of the reflector
  • Manual flash exposure control in 12 increments
  • READY lamp and TTL lamp with electronic sounds for confirmation
  • Depth rating: 60m/200ft
  • Exclusive rechargeable Ni-MH battery for YS-250PRO with the optimum efficiency

The 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.

The YS-250PRO includes other sophisticated features such as three fiber-optic cable sockets (2 of them with slave sensor), pre-flash cancellation that handles up to two pre-flashes from a camera.

The YS-250PRO: at home in the water day or night, satisfying your demands for the best possible images.


  • Exposure control: TTL, Manual(Light-level control)GN 0.7/1/1.4/2/2.8/4/5.6/8/11/16/22/32 (12 steps)
  • Pre-flash control: Equipped with pre-flash cancel mode (cancels up to two pre-flashes)
  • Slave function
  • Sync cord: Detachable sync cord (N) with film & digital SLR camera,Fiber-optic cable (L-type) with compact digital camera.
  • Over-pressure relief valve
  • LED target light
  • Test flash function
  • TTL confirmation lamp
  • TTL / READY confirmation beep sounds


Function / Efficiency
Guide Number (m / ft.) iso100 32 / 105
Recycle Time 1.8 seconds
Run Time 200 flashes
Beam Angle 105° x 105°
115° x 115° with Diffuser
Depth rating 60m / 200 ft.
Power Levels TTL, Manual(Light-level control)
GN 0.7/1/1.4/2/2.8/4/5.6/8/11/16/22/32 (12 steps)
Color Temperature 5,600K
5,250K with diffuser
Underwater Weight 80g / 2.8 oz (w/ battery)
Electrical (Sync. connector) Sea&Sea YS 5-pin
Optical (Sync. connector) Yes
Batteries Ni-MH battery for YS-250
Dimensions 107 x 130 x 223mm / 4.3 x 5.2 x 9.0 inch
Weight 1,383g / 48.4 oz (w/o battery)
Warranty 1 Year
  • YS-250PRO Strobe
  • Exclusive Ni-MH battery
  • Exclusive battery charger (compatible with 110/240V)
  • fixing bolt
  • Diffuser
  • Slave sensor cap
  • User manual
  • 1 Year warranty
Tags: YS250


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