Nauticam Sony A9 III Underwater Housing

Read our Initial Thoughts and Review of the Sony A9 III for underwater photography

The Nauticam Sony A9 III underwater housing is a professional-grade housing designed to protect the Sony Alpha A9 III (possibly one of Sony's most exciting underwater camera options) camera while underwater. It is made of high-quality aluminum and features a patented port-locking lever that allows for quick and easy lens changes. The housing also has a variety of other features that make it ideal for underwater photography, including:

Full access to all camera controls
Ergonomic design for easy handling
Vacuum check and leak detection system
Durable construction
Wide range of compatible accessories

The NA-A9III housing is a great choice for underwater photographers of all levels of experience. It is perfect for capturing stunning images of marine life, coral reefs, and other underwater scenes.

Here are some of the key features of the Nauticam NA-A9III underwater housing:

Patented port-locking lever: This lever allows for quick and easy lens changes, even while underwater.
Full access to all camera controls: All of the camera's buttons, dials, and levers are accessible from the housing, so you can shoot freely without having to remove the camera.
Ergonomic design: The housing is designed to be comfortable to hold and use, even when wearing gloves.
Vacuum check and leak detection system: This system helps to ensure that the housing is watertight before you dive.
Durable construction: The housing is made of high-quality aluminum and is built to withstand the rigors of underwater use.
Wide range of compatible accessories: Nauticam offers a wide range of compatible accessories for the NA-A9III housing, including ports, extension rings, and other accessories.

Key Features:

Patented Port Locking System

The locking lever has become a signature of the Nauticam brand. No twisting or threading action is required to mount a port, and it locks securely in place with this lever.

Nauticam A7 IV Mission Control

Mission Control

Nauticam has a reputation of providing excellent ergonomics on all of their housings, and the housing for the Sony A9III lives up to their name. Buttons, levers and dials are easily accessible and very intuitively located. A dedicated lever allows quick switching between Still, Movie and S&Q (VFR Video) modes. A dual thumb lever near the right handle actuates the REC and AF-ON buttons and a single lever near the left handle is for PLAYBACK.

Nauticam A7 IV Connectivity

HDMI Connectivity

The NA-A9III housing features the larger opening, M24 bulkhead which allows you to use Nauticam HDMI 2.0 & 1.4 cables to connect to your recorders such as Atomos Ninja V, Shinobi & SmallHD 503

Stainless Steel Handle Brackets

The steel brackets included with the housing provides stability and eliminates the flex and wobble when using big strobes or video lights. It also serves as attachment points for accessories such as lanyards.

Compatible Premium Optics

The housing has been designed around the N100 Port System which supports various optics. When using an E-Mount to EF-mount lens adapter and an N100 to N120 adapter more lenses and ports are compatible with the housing. Wet lenses such as WACP, WACP-1 or WWL-1B for wide angle and SMC-1 or SMC-2 for macro/super-macro are also supported.

Other Features:

Integrated Vacuum Check and Leak Detection System
Strobe Triggering - Integrated fiber optic bulkheads and be used with the Nauticam Flash Trigger. Electronic triggering is also an option via Nikonos bulkhead.
Camera Compatibility - The NA-A7RV is also compatible with the Sony A7 IV whe used with the 17433UK Conversion Kit.

Sample Underwater Images taken with the Sony A9 III

Sony A9 III underwater image

Underwater Review Video for the Sony A9 III Mirrorless Camera

Recommended Lenses & Ports:

Wide Angle

1. Sony 28mm + Sony 16mm fisheye conversion lens - Ultra-wide angle for wrecks, reefscapes, close-focus wide angle.
Recommended Port:
N100 to N120 adapter + N120 Extension Ring 30 II + 140mm Optical Glass Wide Angle Port

2. Sony 12-24mm f2.8 lens - Ultra-wide zoom for whales, mantas, whale sharks, reefscapes
Recommended Port:
Zoom Gear + N100 to N120 adapter + N120 Extension Ring 55 II + 230mm Optical Glass Wide Angle Port

3. Sony 16-35mm F4 lens - Wide-angle for sharks, pelagics, video
Recommended Port:
Zoom Gear + N100 to N120 adapter + N120 Extension Ring 70 II + 230mm Optical Glass Wide Angle Port)

Macro

1. Sony 90mm f2.8 macro lens - For macro, supermacro, fish
Recommended Port:
Focus Gear + N100 Flat Port 105

2. Sony 50mm f2.8 macro lens - For fish portraits and larger macro subjects
Recommended Port:
N100 Extension ring 40 + N100 Flat Port 32)

Wet Lenses

Sony FE 28-60mm f/4-5.6 - Combined with the below Wet Lenses:
Option A: Zoom Gear + N100 to N120 adapter + N120 Extension Ring 30 II + WACP-1 (or WACP-C)
Option B: Zoom Gear + N100 to N120 adapter + N120 Extension Ring 30 II + 180mm Optical Glass Wide Angle Port

Other Recommended Wet Lenses:
WWL-1B Wide Angle Conversion Lens - Wide-angle for sharks, pelagics, video
WACP-C - Smaller & more compact, ultra-wide 130º fields-of-view for whales, mantas, whale sharks, reefscapes
WACP-1 - Ultra-wide 130º fields-of-view for whales, mantas, whale sharks, reefscapes

CMC-1 - For fish portraits and larger macro subjects
CMC-2 - For macro, smaller critters, fish

For more Comprehensive details with regards lens and port combinations for the Sony A7R V, please reference our Nauticam Sony E-Mount N100 port chart.

Read our guide to the best Sony full frame lenses for underwater