Sea and Sea MDX-αU For Sony α1-α7IV
Furthermore, it is a sustainable design that can be used with new cameras in the future with minimal parts replacement.
Includes a strap to prevent loss of the cover
Leak Alarm Unit as standard equipment
It is effective not only for the early detection of underwater flooding accidents but also for protecting equipment by checking its waterproof performance before entry.
CR2032 lithium battery included.
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.
Three optional strobe connection methods are available.
1. Optical TTL connection
[P/N:50139] Optical YS Converter S1
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 not only emits simple light-emitting signals but also performs TTL auto light control.
* Sony original adapter “ADP-MAA” is required separately for connecting camera and optical YS converter.
2. Optical manual connection
[P/N:50146] Manual flash trigger
For those who do not need TTL photography, the fibre-optic cable connection enables manual firing of the YS strobe.
3. Electrical connection
[P/N:50147] Strobe connector/N
[P/N:50122] Optional Sync Cord 2-pin Connector
YS strobes can be electrically connected with a sync cord.
Up/down/left/right buttons on the multi-selector cannot be used.
Use the up/down/left/right buttons on the control wheel instead.
The up/down/left/right buttons on the control wheel cannot be used to move the focus point.
The focus point can be moved with the front and rear dials using the camera’s dial customization function.
α1/α9II camera
Drive mode/focus mode dials are not available as standard.
It can be supported by using the optional kit.
If you want to change the drive mode etc., without modification, you can temporarily use it by registering the camera’s custom shooting setting in advance and calling up the function, but it is not a perfect substitute.
α7IV Camera
The shooting mode lever cannot be used.
This can be handled by using an optional kit.
S&Q cannot be used.
[P/N:50148] α1 customize the kit for MDX-αU
Compatible with drive mode dial/focus mode switching lever.
[P/N:50149] α9II Customize Kit for MDX-αU
Compatible with drive mode dial and focus mode selection lever.
[P/N:50150] α7IV Customize Kit for MDX-αU
Compatible with shooting mode selection lever.
MDX-αU Other Features
- 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 that glow in a 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 the housing, the upper 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.
- The Tripod screw mount is located on the centre underside of the housing.
- Equipped with under guard to protect from scratches.
What’s Included
O-ring remover
Hex wrench (6mm / for grip dismounting)
Hex wrench (4mm / for Lanyard bolt)
Hex wrench (2mm)
O-ring maintenance manual
Instruction manual (this manual)
CR2032 lithium battery (for leak sentinel)
Leak sentinel manual pump
Button rubber (M) 5pcs.
Button rubber (L) 8pcs.
Spare button rubber 2pcs. each
Fixing parts [2] Spacer (thick)
Spacer (thin)Attached are accessories to the product
Housing body cap
Fibre-optic cable cover