Sony Alpha a7S IIIunderwater housing byMarelux

€3,805.00*

Free shipping

We will order this item for you. Delivery time: 30 days **

Product number: ML21206
HAN: MX-A7SIII

Marelux housing has the industry leading design that’s not only more compact than other brands but also more simplified in mechanical structure to make it easy to assemble. With 125mm port diameter, the biggest in the market, users can easily install and uninstall cameras with large lens through the housing.

Marelux housing can be connected to other innovative products made by Marelux, such as SNAP (Smart Nautical Application Platform), Smart View Finder etc., making diving and underwater photography easier, safer and more enjoyable.   

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Technical data

  • Material: Anodized Aluminum Alloy

  • Dimensions:335mm(W) x 177mm(H) x 130mm(D)

  • Weight In Air: 2.86kg

  • Depth Rating: 100m

  • Port Mount: Series 5


Scope of delivery

Sony Alpha a7S III underwater housing from Marelux


Only the components of the item that are listed here will be delivered. Accessories and/or decoration shown in our images are for demonstration purposes only. In particular, we would like to point out that the purchase of an underwater housing does not include a camera and often not a port nor an external viewfinder. If you have any questions about the configuration of your system, do not hesitate to contact us.

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Manual trigger for Sony/Canon/Nikon
The flash trigger can convert the electrical signal from the camera into a light pulse. It will last for about 10,000 triggerings with a CR2032.

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TTL converter for Sony in MARELUX housings
TTL converter (für SONY) for Marelux underwater housings: Compatible underwater flashes Inon Inon S-220 / Z-330 / Z-240, Sea&Sea YS-D1 / YS-D3 Mark II / YS-250, Ikelite DS-230 / DS-162 / DS161 /, DS160 / DS-125, Subtronic Pro-270 / Pro-160, Retra Pro. Convenient parking bracket for hot shoe plug. TTL and HSS on RetraFlash Fantastic TTL accuracy allows photographers to relax and rely entirely on automatic flash exposure control. Many creative tasks are made possible by using extremely fast HSS shutter speeds of up to 1/8000 with the Retra Pro flash in manual mode. The TTL converter firmware also has some other important updates related to its common functionality. The Retra PRO profile can be set by the user üvia the TTL converter's built-in rotary switch. The TTL/M modes can be switched underwater simply by using the camera name or the flash button. In manual mode, the flash intensity can be adjusted manually üvia the camera wheel/scale, but also üvia the flash control knob. (+/-) TTL flash compensation is supported by the firmware, the full range is available via the camera control in the range -3ev......+3ev. The firmware supports sync settings for the 1-st /2-nd curtain and the rear curtain. Continuous (serial) recording is supported. The HSS firmware of the TTL converter supports the HSS functionality of the Retra Pro flash. The built-in rotary switch must be set to the Retra Pro profile (position - "7"). Available HSS shutter speeds for Sony A7-A9: 1/320 ....1/8000 sec. The Retra flash allows the HSS flash intensity to be set using the rotary knob. In the updated firmware, switching to HSS shutter speeds is also included in the general functionality of the TTL converter (also for all other positions of the rotary switch), - usable for shooting with ambient light at high shutter speeds if required. However, the X-Sync speed limit (1/250 for Sony A7-A9) is still automatically supported for TTL modes, as required for mono flash TTL underwater flash. Incredibly long battery life in the TTL converter: 1-3 years of continuous operation. The product has extremely low power consumption. The converter features an automatic on/off switching module that saves battery power. No mechanical switch is required to switch UW Technics TTL converters on and off. The TTL converter firmware includes TTL profiles for the following underwater flashes: Retra Pro, Inon Z-330/ Z-240/S-2000, Sea&Sea YS-D2/ YS-D1/ YS-250, Ikelite DS-161/ DS-160 and Subtronic Pro-270/Pro-160. Each profile can be easily set by the user üvia an onboard switch. Full compatibility with all SONY mirrorless cameras, regardless of model and TTL protocol version.

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