Is the Retra Maxi the right strobe for your system?

The Retra Maxi represents a significant evolution in the retra strobes lineup, specifically engineered for photographers who demand raw power and extreme speed without the premium price tag of the flagship retra flash "Pro" series. While models like the Retra Pro Max II focus on ultimate light quality and gradation, the Maxi is the "workhorse" of the family—optimized for high-output wide-angle photography and hybrid shooting. 

Key Features & Highlights of the Retra Maxi Strobes

• Massive Output (GN 46): The Retra Maxi is one of the most powerful strobes in its class. It is designed to counter the bright tropical sunballs and illuminate distant subjects that smaller travel strobes simply cannot reach.

• True Hybrid Capabilities: Unlike traditional strobes, the Maxi offers an optional 6000-lumen ultra-wide video light (110° coverage). This makes it a dual-threat tool for photographers who need to switch between high-end stills and professional-grade video clips on a single dive.

• Lightning-Fast Performance: With a recycle time as low as 0.02s and a burst shooting speed of up to 50 frames per second, you will never miss a moment of fast action—from shark feeds to bait balls.

• Next-Gen Power Source: It utilizes two 21700 Li-ion batteries, delivering over 550 full-power flashes per charge. This modern battery standard provides better longevity and faster recycling than traditional AA cells.

• Smart Connectivity: Integrated Bluetooth allows you to connect to the Retra UWT App for firmware updates and to program custom "U" modes, ensuring your gear evolves with your shooting style.

Key Retra Maxi specifications

Why the Retra Maxi stands out among Retra strobes

The Retra Maxi is the output-focused option in the Retra flash lineup. It is built for photographers who want more power, fast recycle performance, long battery life, and the option to add a video light output without switching to a dedicated video light head.

When comparing the Retra Maxi to competitors like the Ikelite DS232 or Sea&Sea YS-D3 Duo, several professional advantages stand out:

1. Industrial Build Quality: Crafted with a refined three-part design featuring an aluminum bayonet and body, the Maxi is built to withstand the rigors of professional expeditions. It includes a built-in leakage detection system in the battery compartment, providing peace of mind that your electronics are safe.

2. Versatile Beam Control: While its native beam is powerful, adding the Retra Wide Angle Diffuser expands coverage to 160° and warms the light to ~4500K, creating more natural-looking blue water backgrounds and softer shadows—reaching 90% of the light quality of the much more expensive retra pro max line.

3. Night-Dive Optimized Ergonomics: The back panel features LED illumination, allowing you to see your power levels and modes clearly in the dark. Large, tactile dials ensure you can make adjustments even while wearing thick gloves.

4. The Retra Ecosystem: By investing in the Maxi, you gain access to the Retra Classic A1 bayonet system. This allows you to swap accessories like snoots, diffusers, and reflectors in seconds, making it the most modular lighting system on the market.

Features that matter underwater

Powerful Strobe & light Combo

The Retra Maxi delivers GN46 and a color temperature of ~6200K. With the optional Wide Angle diffuser, it provides 160º coverage at ~4500K. Optimized for GN performance, this powerful strobe captures distant subjects with exceptional light output.

In addition to the strobe, the Retra Maxi integrates a 6000 lumen video light with a 5000K native color temperature, CRI 80, and ultra wide 110º coverage, making it ideal for both stills and video. It also includes a 400 lumen centrally positioned focus light, perfectly suited for snooting. Whether you're shooting stills or video, this strobe and video light combination ensures you have everything you need to capture stunning images in any underwater environment.

Fast recycle and battery endurance for real dive days

The Retra Maxi is powered by two off-the-shelf 21700 6000mAh batteries (NL2160HP), providing more than 550 full-power shots and up to 1 hour of video light output at half power.

With a recycle time of less than 2 seconds for a full-power dump and a burst shooting speed of up to 50 frames per second, the Retra Maxi offers exceptional performance at both full and low power settings.

Night-dive friendly controls, leak detection, and app support

The Retra Maxi features LED illumination on the back panel, providing excellent visibility during night dives. This ensures you can easily read settings, even in low light conditions. The ergonomic dials, with varying lengths and satisfying clicks at each setting, make it intuitive to adjust modes and power levels.

• LED-illuminated back panel for night dives
• Leakage detection in the battery compartment
• Smartphone connectivity for firmware and user modes
• User-defined mode support for custom workflow

Comparison Guide

Retra Maxi vs Backscatter HF-1, Ikelite DS232, and Marelux Apollo III 2.0

Why Buy From Bluewater

Expert support before and after the sale

Underwater strobes are not one-size-fits-all. Bluewater Photo can help confirm your fiber optic cable type, TTL or HSS expectations, battery and charger needs, arm length, clamp setup, buoyancy, and accessory compatibility before you build the rig.

Retra has a strong reputation among underwater photographers for thoughtful strobe design, practical accessories, and durable flash systems. Bluewater Photo adds real-world configuration help so you are not left guessing whether the strobe will work with your camera, housing, port, lens, and trigger.

Content reviewed by Bluewater Photo staff, recognized as the #1 online retailer specializing in underwater photography and scuba diving equipment, with real-world experience supporting, selling, and configuring underwater camera systems.