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Sea & Sea is a maker of high quality, aluminum, Japanese-made housings. The Sea & Sea MDXL A7IV underwater housing is an elegant device featuring entirely new features from Sea & Sea's novel MDXL line of housings. With MDXL housings, Sea & Sea are now offering trim inserts into their handles, ball mounts included standard with the housing, and a leak sentinel vacuum valve included standard with the housing. That's a lot more bang for the buck! The port lock is specially made to prevent the port from turning accidentally.
Sea & Sea keeps on creating innovative and revolutionary improvements to provide the best possible shooting experience to their customers. With the MDXL A7IV housing for the Sony A7R IV, Sea & Sea outdid themselves by providing lots of great features that photographers will love.
The handles for the housing has been improved by adding silicone inserts which provides comfort, firm & steady grip and style. The silicon compound material has been implanted into the handles.
SA8 Fixed Ball Bases are now included with the housing as a standard
The Leak Sentinel Vacuum Valve now comes as a standard with the housing. This draws air from inside the housing and checks if there is a beach on the seal. It will alert you if the seal integrity of the housing has been compromised. This gives the peace of mind that the housing is completely sealed and its safe to enter the water.
Knobs, bottons and levers are partially colored yellow and buttons have luminesccent labels which makes it visible even in low light conditions.
The housing has been designed to have a cavity located under the camera. This gives you an additional 250g lift which makes the camera & housing rig lighter. Not only that, it can also be used to mount an additional battery pack.
1. Compatible with the manual flash trigger/s
This is an excellent choice if you don't want to use cumbersome sync cords but you want quick recycle times.
2. Compatible with the optical YS TTL converter S1. This optical TTL converter syncs the camera signal with the Sea & Sea YS strobe for accurate TTL auto exposure control from the strobe.
*please note that the "ADP-MAA" from Sony is sold sperately and required for connection the camera to the optical YS converter
Universal Dome Port
Sea & Sea recently released a revolutionary new dome port that pairs perfectly with the Sea & Sea A7IV housing! The Sea & Sea Universal Dome Port is made of a new material called PLANEXT that has the amazing optical property of glass for a fraction of the price and weight.
For other options, see our other recommended strobes see our Buyer's Guide for Best Underwater Strobes
For other options, see our other recommended strobes see our list of best underwater video lights.
Learn more about the A7R IV features and why we love it for underwater photography in our full Sony A7R IV Review.
We offer lifetime support with all purchases.
Please call or email us with any questions, our knowledgable staff would love to assist you.
Be sure to choose the right equipment! Check our guides for best cameras & lenses, and underwater camera housings. A must read! Buyers Guides
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New reviews of the Canon EOS R5, Sony A7R IV, Sony A7S III, Canon R6, Canon G7X Mark III, Nikon Z7II & Sony A6400.
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