Nauticam Underwater Sony a2020 Ultimate System

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Nauticam A7RIV and A9II Ultimate Wide/Macro System for Sony A7RIV Camera

Combines the Nauticam NA-a2020 Housing with both Macro and Wide Angle lens ports, extensions and gears to fit the Sony 16-35mm GM and 90mm macro lenses.


Optical Ocean Nauticam Sony A7RIV and A9II Ultimate System Package - Complete for any Situation!

Combines the Nauticam NA-a2020 Housing for Sony's A7R IV or A9II camera with both Macro and Wide Angle lens ports, extensions and gears to fit the Sony 16-35 GM and 90 macro lenses. Included also is a great lighting system consisting of 2 Sea & Sea YS-D3 strobes, mini flash trigger, fiber optic sync cords and the Kraken Hydra 4000 lumen light.

The NA-Α2020 Underwater Housing

Nauticam has supported the Sony Alpha full-frame line since the original a7 with professional grade aluminum housings that offer intuitive access to all the controls and functions of the cameras. As the cameras have evolved, so have the Nauticam housings. The Nauticam NA-α2020 takes Nauticam's commitment to the Sony full-frame mirrorless line to another level by delivering the first housing that will support both the a9 II and the a7R IV with full access to all controls without modification or restriction. Integrated DSLR-housing styled handles with ergonomic rubberized grips and stainless steel stiffening brackets add stability and accessory mounting points. The NA-α2020 also features dual rear thumb-levers that are easily reached from the handle that access three of the most-used controls on the rear of the camera. The right lever actuates the AF-ON and RECORD buttons while the left lever is mapped to the PLAY button. Atop the housing on the left side are controls specific to the a9II in the form of a MODE dial and FOCUS mode lever. The C1, C2 buttons as well as the EV compensation dial also have direct access from the top of the housing. The C3, which is typically assigned to control switching between the EVF and the LCD screen is easily reachable on the rear of the housing from the left handle.

Ports & Gears

The Optical Ocean Ultimate A7RIV system includes a port and focus gear for the Sony 90mm lens. This lens works especially well for close up and macro shots. We've also included a 180mm optical glass dome port, locking extension ring, port adapter and zoom gear for the Sony FE 16-35mm F2.8 GM lens so you can take excellent wide angle photos.

Two Sea & Sea YS-D3 MKII Underwater Photography Strobes

All New! Never miss a shot again with the new Sea & Sea YS-D3 Lightning strobe! The YS-D3 features the latest precision circuitry allowing the strobe to fire at any moment! This high-performance strobe features superior consecutive firing capabilities, giving the ability to capture those critical moments. New Mark II Model now shipping, with improved TTL compatibility and accuracy, as well as larger control knobs. (Note: Upgraded - System shows older YS-D3 model)

High performance strobe

The latest D3 circuitry and light-emitting strobe produces a powerful guide number of 33. A newly developed high precision optical lens has been fitted over the two flash tubes to disperse an even light from the center to the edge. The beam angle will increase to 100×110° with standard diffuser accessories, and can be increased to 150×170° with an optional dome diffuser.

Superior consecutive firing capabilities

The YS-D3 utilizes larger capacity condensers as well as a newly designed charging circuit. As a result, the YS-D3 will fire at GN16 continuously without any interval time! When the strobe is fired at GN22, it will fire again within a mere 0.8 seconds.

When the YS-D3 is fired at Guide Number over 22, a two-stage ready-to-fire signals will be issued. For instance, after the strobe fires at full power of GN33, the strobe will inform you both visually and audibly when the condenser is charged to fire at GN22. Then, when it is charged enough to fire at GN33, another different signal will be issued. This design allows you to fire more rapidly.

Featuring a uniquely designed aluminum heat diffuser, the target light is now powerful enough to be used as a dive light!

Kraken Hydra 4000 Lumen WRGBU Wide, Red, RGB, Blue UV Video with 6000 Lumen Strobe Light

NEW! The Hydra 4000 packs an extremely bright 4000 lumen constant, and 6000 lumen burst into a compact package! We’ve upgraded from dual buttons to a three button design which makes controlling the light easier than ever before. We’ve included RGB led’s too so you can get all of the creating lighting options you might need. The Hydra 4000 is an excellent choice for a wide range of shooters.

One of the most exciting features of the new Hydra 4000 is the ability to charge via USB C. The included charger contains 3 ports, with the capability to charge up to two batteries simultaneously, plus an additional port to conveniently charge a phone, camera, or tablet – helping to streamline your gear when travelling! The charger is the latest in GaN technology, meaning it’s incredibly small, but still outputs 90 watts!

Both ball and YS mounts are also included. In the event of accidental flood, the head of the Hydra 4000 is water resistant if removed from water immediately. Remote control capable like all lights in the Hydra series – just add the remote control and fiber optic cables when you’re ready.


  • 17427 Nauticam NA-a2020 Housing
  • 37126 Nauticam Macro Port for 90mm
  • 37305 Nauticam N100-N120 Adapter with zoom control
  • 22160 Nauticam Ext. Ring 60II with lock
  • 18809 Nauticam 180mm Optical Glass Dome
  • 37155 Nauticam 16-35 GM Zoom Gear
  • 25625 M16 Vacuum Valve
  • 26302 Mini Flash Trigger for Sony
  • 2 x Sea & Sea YS-D3 Strobes
  • Kraken Hydra 4000 lumen video light
  • Nauticam Housing Mount Ball
  • 2 x Kraken 8" arms & 5" arms
  • 7 x Kraken Clamps
  • Dual Nauticam Fiber Optic Sync Cords

Housing Specifications

    •    Depth Rating:  100m
    •    Weight: 2.68 kg
    •    Dimensions (with handles mounted): 348mm (W) x 200mm (H) x 123mm (D)

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I ended up with far more keepers than normal. I continue to be impressed with Nauticam housings and Sony cameras, and this was without a doubt the easiest and most rewarding photo week yet!
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