Sony a7S III Underwater Video Review

This mirrorless wonder is a favorite among content creators. It’s like the Swiss Army knife of underwater cameras – compact, powerful, and versatile.

The a7S III handles low light like a champ, making it perfect for those magical twilight dives. Plus, its 4K 120p capabilities give you creative freedom.

The Sony Alpha a7S III is not your average mirrorless camera. It’s a powerhouse designed for video enthusiasts, filmmakers, and content creators who demand excellence. With its cutting-edge features, the a7S III redefines what’s possible in low-light shooting and video production.

Key Specifications

1. Sensitivity Beyond Limits

  • The a7S III boasts a newly developed 12.1-megapixel Full-frame Backside-illuminated (BSI) Exmor R CMOS sensor. This sensor is optimized for 4K, sensitivity, and speed. It takes full advantage of large pixels and BSI copper wiring to deliver exceptional low-light performance. The ISO range stretches from 80 to an astonishing 102,400 (expandable to 40-409,600). Say goodbye to noise and hello to clarity, even in challenging lighting conditions.

2. Dynamic Range Mastery

  • Sony claims that the a7S III captures an impressive 15 stops of dynamic range. This means your images and videos will retain detail in both shadows and highlights, allowing you to push creative boundaries.

3. Autofocus Precision

  • With 759 on-sensor phase-detect points, the a7S III’s autofocus system is lightning-fast and accurate. Whether you’re tracking a moving subject or capturing a candid moment, this camera won’t let you down. Plus, it supports eye and animal AF, ensuring sharp focus where it matters most.

4. Steady Shots, Always

  • In-body image stabilization (IBIS) is a game-changer. The a7S III can reduce shake by up to 5.5 stops, allowing you to shoot handheld without compromising image quality. Say goodbye to blurry shots and hello to crystal-clear videos.

5. Crystal-Clear Viewfinder

  • The high-resolution electronic viewfinder (EVF) with 9.44 million dots provides a lifelike preview of your scene. Compose your shots with precision, even in bright sunlight.

6. Video Capabilities That Wow

  • Video is where the a7S III truly shines. It can capture UHD 4K video at up to 120p without pixel binning. That means every frame is packed with detail. Need slow-motion? It can record high-speed (240 fps) Full HD video. And if you’re serious about color grading, the 10-bit 4:2:2 footage, S-Log2/3, and HLG support have you covered. Plus, you can output full-frame, 16-bit Raw footage at up to 60p to an external recorder.

7. Cool Under Pressure

  • Improved heat dissipation ensures that the a7S III can record for up to an hour at 4K/60p. No more worrying about overheating during extended shoots.

Pros and Cons


  • 4K 120fps: Capture cinematic slow-motion sequences.
  • 15-stop dynamic range: Preserve details in highlights and shadows.
  • Low-light champion: Shoot in near darkness without compromising quality.
  • Fast and accurate autofocus: Never miss a crucial moment.
  • 10-bit 4:2:2 video: Perfect for color grading.
  • Image stabilization: Steady shots, even handheld.
  • Long battery life: Keep shooting without interruptions.


  • Price: The a7S III is an investment, but its capabilities justify the cost.

In summary, the Sony Alpha a7S III is not just a camera; it’s a creative tool that empowers your vision. Whether you’re a filmmaker, vlogger, or professional photographer, this camera delivers exceptional performance in every frame. So, go ahead, push the limits, and capture moments that matter. 

Backscatter Macro Wide 4300 Video Light: Your Ultimate Underwater Companion

Are you ready to dive into the mesmerizing world beneath the waves? Whether you’re an avid underwater photographer, a curious explorer, or a passionate videographer, the Backscatter Macro Wide 4300 Video Light is your ultimate companion. This versatile and powerful light is designed to illuminate your underwater adventures, capturing vibrant coral reefs, delicate nudibranchs, and intricate details with ease.

Unleash the Power of 4,300 Lumens

At the heart of the Macro Wide 4300 lies an impressive output of 4,300 lumens. Imagine the underwater landscape bathed in brilliant light, revealing its hidden treasures. This compact light is perfect for travel, ensuring you never miss a shot during your aquatic escapades.

Versatility: Macro and Wide-Angle Shooting

The Macro Wide 4300 is more than just a light; it’s a creative tool. Its 85° beam angle (at a crisp 6,000K color temperature) ensures even illumination, making it suitable for both macro and wide-angle shooting. Let’s explore its key features:

  1. Variable Brightness: With three power levels, you have precise control over your lighting. Adjust it to match your specific needs, whether you’re capturing intricate macro scenes or expansive wide-angle vistas.
  2. Macro Mode: Activate the 1,400-lumen spot beamfor those up-close encounters with tiny critters. Illuminate the intricate details of a nudibranch or the delicate eyes of a shrimp.
  3. Battery Life: Powered by two Nitecore NL2150HP rechargeable batteries, the Macro Wide 4300 provides up to 50 minutes of burn time at full power. No need to worry about running out of juice during your dive.
  4. Signaling Options: Beyond the standard SOS pattern, this light offers practical signaling options. Whether you’re marking your entry point, catching your buddy’s attention, or exploring a night dive, the Macro Wide 4300 has you covered.
  5. Depth Rating: Dive confidently—the Macro Wide 4300 is rated for 100 meters (330 feet). It’s suitable for most underwater adventures, from shallow reefs to deeper explorations.

Pros and Cons


  1. 4300 Lumens: Illuminate your underwater world like never before.
  2. 6000K Color Temperature: Crisp and natural lighting for stunning visuals.
  3. Battery Life: Shoot all day without interruptions.
  4. Versatility: From macro to wide-angle, adapt to any scene.
  5. Signaling Features: Be prepared for any dive scenario.

If you want to get the backscatter macro wide 4300 in Indonesia with Divesea you can get 5% discount if you tell them you come from us on checkout.


  1. 85° Beam Angle: While versatile, some divers may prefer a wider beam.
  2. Price: Quality comes at a cost, and the Macro Wide 4300 is an investment.


Whether you’re exploring ancient shipwrecks, capturing elusive marine life, or simply reveling in the underwater beauty, the Backscatter Macro Wide 4300 Video Light is your reliable companion. Dive in, light up, and let your creativity flow beneath the waves.

Remember, every click of your camera shutter reveals a new chapter in the ocean’s story.

Disclaimer: The Backscatter Macro Wide 4300 Video Light is a powerful tool, but always respect marine life and their habitats. Happy diving! 

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