SEA & SEA YS-D3 Lightning MKII (DOES NOT INCLUDE FIBER OPTIC CABLE)
SEA & SEA YS-D3 Lightning MKII (DOES NOT INCLUDE FIBER OPTIC CABLE) is backordered and will ship as soon as it is back in stock.
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Product Information
The Sea&Sea YS-D3 MKII Lightning (product no. 03123) is an underwater strobe for TTL and manual flash photography, built around an aspherical toroidal lens, a Guide Number of 33, and a 100m depth rating. This listing does not include the fiber optic cable.
Who it is for
This strobe suits underwater photographers who shoot with a Sea&Sea optical converter, such as the MDX converter, or the UWT HSS TTL Converter for Nikon, and who want TTL exposure accuracy with compact cameras. The redesigned software also opens up compatibility with third-party optical TTL converters, and the revised dials are built for use with gloves.
Key details
- Guide Number (ISO 100/m, land): 33, or 28 with the diffuser attached
- Beam angle: 80 degrees x 105 degrees without the diffuser, 100 degrees x 110 degrees with the diffuser
- Batteries: 4xAA, alkaline or Ni-MH
- Number of flashes: 140 on alkaline, 220 on Ni-MH
- Recycle time (full): 3.5 seconds on alkaline, 1.7 seconds on Ni-MH
- Color temperature: 5800K, or 5500K with the diffuser
- Depth rating: 100m / 330ft
- Sync cord: Nikonos 5-pin or optical fiber cable
Compatibility and sizing
The YS-D3 MKII Lightning works with the Sea&Sea MDX optical converter, which is also usable with the original YS-D3, YS-D2, and YS-D1, and with the Sea&Sea UWT HSS TTL Converter for Nikon, which lists compatibility with the YS-D3 Mark II and YS-D3 DUO. TTL shooting with this strobe can be enjoyed using the YS-D2 setting on a Sea&Sea optical converter.
What's in the box
- Diffuser
- Ball mount, straight type
- Silicone grease
DiveCatalog.com is an authorized Sea&Sea dealer and a dive shop in Irvine, California, since 2003. Call or chat with us at 888-701-4017 if you have questions about optical converter compatibility or fit before you order.
- Aspherical toroidal lens delivers a Guide Number of 33 (28 with the diffuser attached) with a wide beam angle.
- Optical converter software is newly developed for compatibility with existing and previous Sea&Sea optical converters, enabling TTL shooting using the YS-D2 setting on the converter.
- Redesigned internal circuit improves TTL light-intensity accuracy with compact cameras and adds compatibility with third-party optical TTL converters.
- Revised dials and switches redesign the light intensity adjustment dial and mode switch for easier use with gloves.
- Two-stage ready signal includes a recycle/ready indicator with a shutter-priority function.
- Upgraded LED target light has an aluminum heat-dissipation ring and is adjustable in 2 steps.
- Backlit panel indicator uses color-coded modes for status at a glance.
- MKII identification is marked by an MKII label on the side and new control knobs on the rear.
- Over-pressure relief valve is built into the housing.
- Auto power off shuts the strobe down after 30 minutes of inactivity.
- Audible charge signal sounds when the strobe is ready to fire.
- DS-TTL II and Slave TTL exposure modes pair with an 11-step GN light level control dial (1 to 33).
| Product No. | 03123 |
| Guide Number (ISO 100/m, land) | 33, 28 with Diffuser attached |
| Beam Angle | 80°x105° without Diffuser, 100°x110° with Diffuser |
| Batteries | 4xAA, Alkaline or Ni-MH (6V Alkaline, 4.8V Ni-MH) |
| Number of Flashes | Alkaline: 140 / Ni-MH: 220 |
| Recycle Time (full) | Alkaline: 3.5 sec. / Ni-MH: 1.7 sec. |
| Color Temperature | 5800K |
| Color Temperature (w/Diffuser) | 5500K |
| Depth Rating | 100m / 330ft |
| Dimensions (WxHxD) | 92x111x147mm / 3.6 x 4.4 x 5.8 inches, excluding ball base |
| Weight | 610g / 21.5oz, body only, excluding ball base |
| Underwater Weight | Approx. -20g / -0.7oz, including batteries and ball base |
| Sync Cord | Nikonos 5-pin or optical fiber cable |
| Exposure Control | DS-TTL II, Slave TTL |
| Light Level Control Dial (GN) | 11 steps: 1 / 1.4 / 2 / 2.8 / 4 / 5.6 / 8 / 11 / 16 / 22 / 33 |
| Auto Power Off | 30 minutes |
| LED Target Light | Adjustable in 2 steps |
| Over-Pressure Relief Valve | Yes |
| Audible Charge Signal | Yes |
- Diffuser
- Ball mount, straight type
- Silicone grease
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
Does the Sea&Sea YS-D3 MKII Lightning come with a fiber optic cable?
No, this listing does not include the fiber optic cable. The strobe's documented box contents are the diffuser, a straight-type ball mount, and silicone grease, and the sync cord type supported is Nikonos 5-pin or optical fiber cable, but the cable itself is sold separately from this listing.
Which optical converters work with the YS-D3 MKII Lightning?
It works with the Sea&Sea MDX optical converter, which also supports the original YS-D3, YS-D2, and YS-D1, and with the Sea&Sea UWT HSS TTL Converter for Nikon, which lists compatibility with the YS-D3 Mark II and YS-D3 DUO. TTL shooting is enabled using the YS-D2 setting on a Sea&Sea optical converter.
How many batteries does the YS-D3 MKII Lightning use and how long do they last?
It runs on 4xAA batteries, either alkaline or Ni-MH. Alkaline batteries yield about 140 flashes with a 3.5 second full recycle time, while Ni-MH batteries yield about 220 flashes with a 1.7 second full recycle time.
What is the Guide Number and beam angle of the YS-D3 MKII Lightning?
The Guide Number (ISO 100/m, land) is 33, dropping to 28 with the diffuser attached. Beam angle is 80 degrees x 105 degrees without the diffuser and widens to 100 degrees x 110 degrees with the diffuser fitted.
