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.


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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-D2J strobes, mini flash trigger, fiber optic sync cords and the Kraken Hydra 3500S+ 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.

Sea & Sea YS-D2J Strobes

The Sea & Sea YS-D2J represents the best in modern strobe technology. With a Guide Number of the 32 it is one of the most powerful strobes available while being half the size and weight of its competitors. It has a two power target light, and lighted back that shows its modes, with 13 steps of manual adjustment.

Hydra-3500+S-RGB 3500 Wide, Spot, Red, Green, Blue, Mixed and UV and 4500 Lumen Strobe Light

The Kraken Hydra-3500+S-RGB 3500 Wide, Spot, Red, Green, Blue, Mixed and UV has 2 buttons for ease of use, a water resistant light head for flood protection, as well as spot, flood and red beams. It features a COB LED for the best, and most uniform, flood beams for your photography and video needs.

New is the ability of the light to burst quickly to 4500 lumens when triggered by a fiber optic sync cord (not included) from your camera flash, working much like an external strobe.

This 3500+S Video Light now features RGB LED’s in addition to everything else so now you have 9 different color options for creative lighting! If you’re a macro shooter this is the light for you! It can be used as a regular dive light, or as a focus or video light as well. Divers who want to shoot fluorescent photography will have a strong light source. The two button layout mean that you use one button to select the mode, and the other to select the output level. No hard-to-remember sequences on a single button. All of the lights utilize multi-cell battery packs, with quality, fast chargers. Recharge time is about 3 hours from a completely drained state. Extra battery packs are available.

The Kraken Hydra lights come in a complete set that includes ball and YS style mounts, spare orings, charger and a carrying case.

Mirrorless and DSLR System Package Features
Camera Body Included:
Macro Ready:
Wide Angle Ready:
Key Camera Features:
61MP / 4K UHD Video / Full-Frame Mirrorless
Ports Included :
Macro Port 105, 180mm Optical Glass Dome
Max Light Output:
Beam Angle:
80° / 100°, 120° w/ Diffusers
Color Temp:
Light Features:
(Up to) 200 Flashes at Full Power, Manual and TTL
Includes Focus Light:
Kraken 3500S+
Includes Leak Detection/Vacuum System:
Arm Length(s):
8in + 5in
Depth Rating:
100m / 330ft


  • 17427 Nauticam NA-a2020 Housing
  • 37126 Nauticam Macro Port for 90mm
  • 37147 Nauticam 90mm Macro Focus Gear
  • 37305 Nauticam N100-N120 Adapter with zoom control
  • 21160 Nauticam Ext. Ring 60 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-D2J Strobes
  • Kraken Hydra 3500+ lumen video light
  • Nauticam Housing Mount Ball
  • 2 x Nauticam 8" arms & 5" arms
  • 7 x Nauticam Clamps
  • Dual Nauticam Fiber Optic Sync Cords
  • 28130 Nauticam Hand Strap

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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