Sea&Sea MDX-αU housing for Sony α9II (Black) / Electrical

Universal design for the future The back panel is designed to be large.
The back acrylic panel is more than twice as large as before to improve visibility of the monitor and reduce the underwater weight. Furthermore, it is a sustainable design that can be used with new cameras in the future with minimal parts replacement.

Newly designed fiber-optic cable cover Newly designed optical fiber cable cover.
Newly designed fiber-optic cable cover included. Prevents optical cable terminals from falling out and smartly protects light-emitting panels and cable terminals. Includes a strap to prevent loss of the cover.

Leak Alarm Unit as standard equipment
The Leak Alarm Unit, which was previously available as an option, is now included as standard equipment. It is effective not only for early detection of underwater flooding accidents, but also for protection of equipment by checking its waterproof performance before entry. 

Strobe Synchro System
There are three optional strobe connection methods available. 

1.Optical TTL connection - Optical YS Converter S2 : Compatible with SEA&SEA “Optical YS Converter S1” which converts the strobe light emission signal of the camera to LED light and synchronizes with the SEA&SEA YS strobe. It is a high-performance converter that does not just emit simple light-emitting signals, but also performs TTL auto light control.

2. Optical manual connection - Manual flash trigger: For those who do not need TTL photography, the fiber-optic cable connection enables manual firing of the YS strobe.

3. Electrical connection - with Strobe connector/N & Optional Sync Cord 2-pin Connector

Full range of standard equipment
-Grip Plus made of silicone material.
-Robust yet secure fit to hold the housing in place.
-Lighting can be deployed as desired from the SA8 fixed ball base.
-Pre-equipped with lanyard hooks for convenient transportation.

Other futures:

• The Port Lock prevents the port from turning or loosening and the Port Lock lever is specifically located to avoid being unlocked accidentally.
• The housing is equipped with a lens-lock release button which makes it possible to change lenses easily, without opening the housing.
• Pulling out the Focus/Zoom Dial gives sufficient room inside the housing to easily accommodate larger diameter lenses.
• All controls have luminescence stickers which glow in dark environment.
• Equipped with the Optical Viewfinder 0.5x as standard. Other optional viewfinders such as the VF180 1.2x, VF45 1.2x and Optical Viewfinder 0.66x, 0.8x can be used.
  ※Some vignetting occurs.When the VF180 1.2x is mounted on housing, the uper part of the camera's viewfinder cannot be viewed due to vignetting.
• Equipped with two sacrificial zinc diodes (one on the front case and the other on the rear) to prevent electrolysis damage.
• Tripod screw mount is located on the centre underside of the housing.
• Equipped with under guard to protect from scrach.