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Nauticam Underwater Sony A7RIV Ultimate Fisheye System

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Nauticam NA-A7RIV System for the Sony A7RIV Camera

Combines the Nauticam NA-A7RIV housing with two powerful Inon Z330 strobes, the port configuration for the Sigma 15mm f2.8 EX DG fisheye lens, and a Kraken 3500S+ focus light! All the latest gear for wide angle in one great package!


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Optical Ocean's Nauticam Sony A7RIV Ultimate Fisheye Package

Optical Ocean's Nauticam Sony A7RIV Ultimate Fisheye Package combines the Nauticam NA-A7RIV Housing for Sony's A7R IV camera with dual Inon Z330 strobes and the port configuration for the Sigma 15mm f2.8 EX DG fisheye lens. Also included in the package is a mini flash trigger, Kraken Hydra 3500S+ video/focus light, M10 Ball mount, hand strap, universal fiber optic sync-cords, ball mount adapters for the Inon Z330s, and Nauticam arms and clamps.

Sony a7R IV Camera

The Sony a7R IV is the company's fourth generation, high-resolution full-frame mirrorless camera. The 61.0-megapixel full-frame Exmor CMOS sensor combined with BIONZ X imaging engine delivers unprecedented resolution, fine gradation, and low noise. Relative to previous generations, it promises more robust build quality, refined controls, the company's latest autofocus.

Despite its high resolution, it can shoot at up to 10 frames per second with full autofocus and shoot 4K video either from the full width of its sensor or from a Super 35 crop. It also gains a 16-shot high-resolution mode that can be used to generate 240MP images of static scenes.

Nauticam NA-A7RIV for Sony's Alpha 7R IV camera

The NA-A7RIV underwater housing provides fingertip access to all key camera controls in a rugged and reliable aluminum underwater housing.  Ergonomic camera control access is one of the defining strengths of a Nauticam housing, and the NA-7RIV continues this tradition. Essential camera parameter changes are made from the handles, without awkward reaches.

The NA-A7RIV housing inherits the core design elements from the Nauticam pro DSLR range, and bundles them in a more compact package.  A patented port locking lever allows lens changes to be made in seconds. Opening the housing for quick battery and media changes is fast and easy with the locking housing latches. All aspects of the system are a seamless extension of the camera.

New features of the NA-A7RIV include a M24 accessory port for HDMI 2.0 output connection, two more accessory ports on the rear housing: M14 x1, M16 x1 and increased zoom/focus gear ratio on the housing, which means faster and more precision control of the lens for video. There is also a new N100 to N120 35.5mm port adaptor II, (37305) featuring a gear box, for faster zoom and more focus control.

Port Configuration

The Optical Ocean Ultimate A7RIV system includes a 140mm optical glass dome port, N100 to N120 adapter, and zoom gear for the Sigma 15mm f2.8 EX DG fisheye lens. This lens mounts onto the Sony E-mount system using a Metabones or Sigma MC-11 adapter and is a great all-around lens for reef shots, large animals and close-focus wide angle. Upgradable to fit the Canon 8-15mm FE by adding an extension and gearing.

Inon Z-330 Underwater Photo Strobe

The Inon Z330 underwater strobe is small and powerful. It uses 4x AA batteries and has manual and S-TTL which is compatible with a wide range of today's cameras. The light output is a circular beam and the color temperature warmer than other strobes.

  • Guide Number 33

  • 110 Degrees of Coverage Underwater

  • Robust and Durable Construction

  • Includes a rotatable light shade to help prevent backscatter

  • 220 lumen focus light

  • Enhanced controls with large knobs

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.

*Camera body, Sigma 15mm f2.8 EX DG fisheye lens and Metabones/Sigma MC-11 adapter not included

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 :
140mm 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


  • 17423 Nauticam NA-A7RIV Housing
  • 37305 Nauticam N100-N120 Adapter with zoom control
  • 18810 Nauticam 140mm Optical Glass Dome
  • 19546 Sigma 15mm f2.8 Zoom Gear
  • 25625 M16 Vacuum Valve
  • 26302 Mini Flash Trigger for Sony
  • 2 x Inon Z330 Strobes
  • Kraken Hydra 3500S+ Focus/Video Light
  • 25221 M10 Housing Ball Mount
  • 2x 25514 Inon Ball Mount
  • 2 x Nauticam 8" arms & 5" arms
  • 7 x Nauticam Clamps
  • 2 x 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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$36.95 $34.95
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$3,050.00 $2,758.00
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$7,550.00 $7,099.95
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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