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The YS-D3 DUO Strobe from Sea & Sea
The YS-D3 DUO is a high-specification underwater strobe with three shooting modes: DS-TTL, RC mode and manual.
The YS-D3 DUO delivers even and uniform light distribution with a large light output of GN33.
Custom settings allow the strobe to be used with high precision with a variety of cameras and shooting styles.
Shooting Modes
Highly accurate DS-TTL dimming
DS-TTL dimming accuracy has been greatly improved by adopting a newly designed light receiving sensor.
By applying detailed custom settings, it can be used with high accuracy with a wide variety of cameras of multiple brands.
The “RC System” is a flash system for OM SYSTEM digital cameras and the YS-D3 DUO was developed in collaboration with OM Digital Solutions to incorporate the RC mode.
RC mode is a light control mode in which the camera automatically controls the flash output based on the brightness through the lens. The YS-D3 DUO is equipped with a more precise “RC mode” that was developed based on system information officially provided by OM Digital Solutions. The YS-D3 DUO is equipped with a more precise “RC mode” developed based on the system information officially provided by OM Digital Solutions.
Manual mode has 11 steps
In manual mode, light intensity can be adjusted in 11 steps. The settings are (GN: 1 / 1.4 / 2 / 2.8 / 4 / 5.6 / 8 / 11 / 16 / 22 / 33). The value can be easily seen on the scale on the light intensity adjustment dial. Compatible with digital cameras that do not have a pre-flash function.
Light Source
This is a high-performance strobe that pursues quality of light, and its high luminous flux and wide beam angle are effective for wide-angle photography with fish-eye lenses and other wide-angle lenses. The strobe also features our proprietary light distribution technology.
High light intensity GN33
The light output has a guide number (GN) of 33, one of the highest among general-purpose underwater strobes. The use of two discharge tubes increases power and achieves GN 33 at full flashing.
Uniform and even light distribution
The originally developed “aspherical toroidal lens” is placed in front of the light-emitting tube, and the two discharge tubes and the “aspherical toroidal lens” provide uniform and even light distribution to the periphery, making it an ideal light source for external illumination.
Adjust beam angle with diffuser
The beam angle is 80°×105° without the diffuser and 100°×110° with the included diffuser for soft lighting.
When the optional dome diffuser is attached, the beam angle increases to 150°×170°. The dome diffuser is effective when using a fisheye lens or when lighting with soft light.
Operability
We placed particular emphasis on ease of use, especially underwater handling. The more you use it, the more you will appreciate its easy-to-turn dial, easy-to-see panel display, and good underwater balance.
Large dial
Underwater operation is performed with the mode switch and light intensity control dial. The large dials are non-slip and the height difference allows smooth operation even when wearing thick gloves. It is designed to stop in steps with a click-click to minimize malfunctions.
Underwater Balance
YS-D3 DUO has almost zero buoyancy with the ball mount and clamp in place. Heavy underwater weight requires unexpected force to operate the clamp, but the YS-D3 DUO is unaffected by buoyancy, so operation is smooth. Even if you change the strobe position, the underwater balance of the entire housing set does not change significantly and you can feel how easy it is to handle.
Dive Into Paradise for Less – Save Up to $2,000 on Upcoming Adventures!
Aggressor Adventures® is excited to unveil major limited-time savings for divers planning their dream escape to the Philippines. From now until June 30, 2025, guests can take advantage of up to $2,000 in savings on select Philippines Aggressor and Philippines Aggressor II itineraries.
These deep discounts span across both 7-night, 10-night and 11-night trips, giving adventurers greater flexibility and value while exploring some of the most biodiverse waters on the planet.
SAVE $2,000 – PHILIPPINES AGGRESSOR II
Celebrate with a $2,000 savings!
Booking Window: Now through June 30, 2025
Eligible Trip:
- October 4 – 14, 2025
SAVE $1,500 – PHILIPPINES AGGRESSOR
On select charter dates:
Booking Window: Now through June 30, 2025
Eligible Trips:
- June 29 – July 10, 2025 (11-night Transition trip)
- November 8 – 18, 2025 (10-night)
SAVE $1,000 – PHILIPPINES AGGRESSOR
On select 7-night charters:
Booking Window: Now through June 30, 2025
Eligible Trips:
- November 1 – 8, 2025
- December 6 – 13, 2025
“Aggressor’s Philippines itineraries are among the most vibrant and diverse in the world,” says Wayne Brown, CEO of Aggressor Adventures. “These new specials give more travelers the opportunity to explore thriving coral reefs, pelagic encounters, and spectacular macro life at a fraction of the cost.”
Guests will enjoy Aggressor’s signature five-star service, spacious staterooms, world-class diving amenities, chef-prepared meals, and much more. These special offers are only available for a limited time and are expected to fill quickly.
About Aggressor Adventures
Since 1984, Aggressor Adventures® has offered travelers live-aboard scuba and snorkeling charters, luxury river cruises and exotic wildlife and cultural safaris. To learn more, visit Aggressor’s Media Hub, listen to its podcast series, view videos on Aggressor.TV and browse the new catalog. Worldwide locations are Bahamas, Belize, Cayman Islands, Cocos Island, Costa Rica, Cuba, Dominican Republic, Egypt, Galapagos, Komodo, Indonesia, Maldives, Palau, Philippines, Raja Ampat, Indonesia, Red Sea, Roatan, Honduras, Sri Lanka, Thailand and Turks & Caicos. Reservations can be made online at aggressor.com, or by calling 800-348-2628 or +1-706-993-2531.
Save up to $1100 on select liveaboard dive trips from June through October 2025
Explorer Ventures Fleet is turning up the heat with its new Hot Summer / Cool Prices sale. For a limited time, divers can save $1000 or more on select liveaboard departures from June through October 2025.
Whether you’re ready to dive into crystal-clear summer waters or planning a cool fall escape, this promotion offers major savings on world-class dive adventures in the Galápagos, Turks & Caicos, and the Caribbean.
Hot Summer / Cool Prices – For the Summer Dive Traveler:
From June through August, take advantage of deep discounts on summer getaways. Enjoy up to $1100 off select trips aboard the Humboldt Explorer in the Galápagos or save $1000 on select summer departures aboard Turks & Caicos Explorer Il and Caribbean Explorer II, exploring magic of Saba and St. Kitts.
Cool Fall / Hot Prices – For Travel in the Fall:
Leave the cool weather and falling leaves behind — fall is the perfect time to head south and save. Take $1000 off select departures from September through October aboard Turks & Caicos Explorer II and Caribbean Explorer II.
See all details and departure dates: www.explorerventures.com/discounts-and-specials
Space is limited – and once the trips are full, the savings are gone. Book now to secure your spot!
Looking for other dates or destinations? There are more savings available across the fleet, including liveaboard diving holidays in Indonesia, the Maldives, the Red Sea, and Palau. Explore all current deals here: https://www.explorerventures.com/year-of-savings-dive-liveaboard-specials/
Contact:
1.800.322.3577 (US/Canada) | +1.307.235.0683
About Explorer Ventures Liveaboard Fleet
Since 1987, Explorer Ventures Liveaboard Fleet has been delivering world-class liveaboard diving, blending authentic experiences with a commitment to safety and sustainability. Operating in some of the world’s most breathtaking underwater destinations, their fleet of well-appointed vessels ensures every guest enjoys the highest level of comfort and care.
Explorer Ventures is proud to be the first liveaboard company to collaborate with Green Fins, earning certifications on four vessels: Caribbean Explorer II, Turks & Caicos Explorer II, Tiburon Explorer, and Humboldt Explorer. Notably, Tiburon Explorer and Humboldt Explorer are the only PADI Eco Centers designated in the Galápagos, underscoring their dedication to sustainable and responsible diving practices. With exceptional destinations, a global array of itineraries, and diver-focused design across the fleet, every voyage is crafted for comfort, convenience, and adventure—both above and below the surface.
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