Sea&Sea announces housing for EOS 5D Mark IV

Previewed at DEMA, Sea&Sea has announced their MDX housing for the Canon EOS 5D Mark IV. The new housing offers levers for important controls, dampers to ensure that the command dial controls do not slip and the shutter release tension is adjustable. The MDX-5D Mark IV is compatible with Sea&Sea’s Optical YS Converter (in manual mode only currently), ports and viewfinders.

Press release

U/W Housing for Canon EOS 5D Mark IV / EOS 5D Mark III

Housing satisfies even Professional needs with its superior ergonomic design and ruggedness.

MDX-5D Mark IV
MDX-5D Mark lV housing (black) (housing only) (Product No.06181)

Relevant Information

The MDX-5D Mark lll and the MDX-5D Mark lll ver. 2 housings can be converted to accommodate both the EOS 5D Mark lV and the EOS 5D Mark lll (fees apply).


Important controls can be operated whilst holding the grips. Frequently-used buttons such as ISO, AF Point Selection and Multi-function Selection buttons are operated by external levers, allowing quick and accurate operation.

AF Start button is locked by pressing and turning the control.

AF Start Lever will remain pressed by pushing the lever forward.

The main command dial, the quick control dial and others have a damper (spring) to provide secure operation. (Controls on the camera will not slip because of the damper).

The tension on the Shutter Release lever can be adjusted in 3 steps

The tension on the Shutter Release lever can be adjusted in 3 steps, by changing the location of the spring inside the housing. The distance to half-depress the shutter release can be adjusted in 2 steps, by changing the location of the plastic piece behind the shutter lever, inside the housing.

Compatible with Optical YS Converter/C

Equipped with two fiber-optic cable sockets for optional Optical YS Converter/C.
*Manual option only at launch. New firmware being developing for Canon EOS 5D Mk lV


MDX-5D Mark IV Housing

Construction: Corrosion-resistant aluminum alloy (machined, anodized finish)
Grip: Corrosion-resistant die-cast aluminum alloy
Depth Rating: 100m/330ft
Dimensions (WxHxD): 341 x 198 x 141mm /13.4 x 7.8 x 5.5 inches
Weight (Approx.): 3,000g/106oz (Housing only)