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  • Extremophiles Discovered at Depths Beyond 30,000 Feet for the First Time

    Extremophiles Discovered at Depths Beyond 30,000 Feet for the First Time

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    By Ian Bongso-Seldrup, July 31, 2025 @ 10:30 PM (EST)
    Source: BBC

    Macellicephaloides grandicirra, a species of polychaete worm known for its white, spiky appearance

     

    A Chinese-led research team has captured images of life at depths of more than 30,000 feet—over 9.5 kilometers—for the first time. During an expedition to the Kuril–Kamchatka Trench and the western Aleutian Trench in the bathyscaphe Fendouzhe, the scientists discovered fields of tube worms, beds of mollusks, and mats of bacteria. Previously, the deepest marine vertebrate life captured on film was a snailfish swimming in a trench at 27,350 feet (8,336 meters) off the Japanese coast in 2023.

    “It’s exciting—especially for a deep-sea scientist—to go to a place that human beings have not explored,” one of the lead researchers, Dr Xiaotong Peng, told BBC News. “It’s a great opportunity to discover new things. And what we saw was quite amazing.” The expedition explored trenches at depths of between 19,000 feet (5,800 meters) and 31,276 feet (9,533 meters), covering a distance of around 1,500 miles. Their work has just been published in the journal Nature.

    In the absence of sunlight, the “chemosynthetic” organisms surviving at such depths get their energy from hydrogen sulfide and methane seeping out of cracks in the Earth’s crust. The researchers are aiming to understand how these animals convert these chemicals into energy—and also how they adapt to life under such extreme pressure.

     

    Beds of mollusks feeding off the chemicals seeping from the seabed

     

    Dense colonies of tube worms up to a foot long

     

    Composite image of the Fendouzhe submersible in a deep ocean trench created by the scientific team

     

    The bathyscaphe Fendouzhe, or Striver, pictured being transported (upside down) aboard its mother ship. The deep-submergence vehicle is designed to reach depths of more than 10,000 meters



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  • Solitude World Announces New Underwater Photo Competition in 2026: REAL FOCUS

    Solitude World Announces New Underwater Photo Competition in 2026: REAL FOCUS

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    Our friends at Solitude World—who run Solitude Acacia Resort, Solitude Lembeh Resort, as well as three liveaboards, including the recently launched Solitude Gaia—have unveiled an interesting new underwater photography competition centered around their resorts in Anilao and Lembeh.

    Called Real Focus, the competition will be run at the two popular muck-diving destinations over a 10-week period from February 15th to April 30th, 2026. Each image captured during that time and submitted into the contest will additionally become a “valuable scientific datapoint,” contributing to a species behaviour study led by well-known marine biologist Dr David Harasti (who is a skilled underwater photographer in his own right). The work culminates in a research paper aimed at better understanding marine life in Anilao and Lembeh.

    Entrants that book the minimum three-night stay are permitted to submit up to five images in each of four categories—and entrants can, of course, book multiple stays over the 10 weeks. As you’d expect, there’s a special emphasis on macro photographers practicing ethical behavior, and dive guides will act as spotters only and not be allowed to provide any photographic assistance.

    For more information about the shootout, head over to the competition page on the Solitude World website.

     


    PRESS RELEASE

    Solitude World Blazes the Trail with Groundbreaking Underwater Photo Competition: REAL FOCUS

    A New Era of Underwater Photo Competitions

    Solitude World is once again blazing the trail—not just in travel, but in how we interact with the underwater world. Introducing a one-of-a-kind photo competition that spans two of the world’s muck diving capitals: Anilao, Philippines and Lembeh, Indonesia. REAL FOCUS is a groundbreaking event that isn’t just about the perfect shot—it’s about scientific contribution, conscious diving, and meaningful change.


    Why This Is Groundbreaking

    This revolutionary competition will run simultaneously in two iconic muck diving locations—Anilao and Lembeh—positioned almost perfectly along the same longitude. Over 10 weeks, REAL FOCUS offers an unprecedented opportunity to study marine species in parallel environments. By collecting image data under near-identical conditions—such as moon phase, depth, and water temperature—the competition generates a neutral, geographically unbiased dataset.

    This data feeds directly into a dedicated three-year species behaviour study led by Dr Dave Harasti, a globally recognised marine biologist. Every submitted image becomes more than an entry—it’s a valuable scientific datapoint. Together, these contributions will support a peer-reviewed research paper and help deepen our understanding of marine life dynamics in two of the world’s most biodiverse underwater ecosystems.

    “This was a concept I’ve been exploring for years. I wanted Solitude World to create an event with purpose, to go beyond just a photo competition,” says Andrew Lok, Managing Director of Solitude World. “We are the only ones in the world with bases in two of the best muck destinations, why not take advantage of that?” he continues.


    Event Details: Everyone Can Join

    Dates: February 15 – April 30, 2026

    Locations: Solitude Acacia Resort (Anilao) and Solitude Lembeh Resort (Indonesia)

    Eligibility: minimum 3-night stay required


    General Rules

    • Book as many stays as you like

    • For each 3-night stay, participants may submit up to five (5) entries in each of the four (4) categories

    • No dive guide assistance during shooting (guides will act only as spotters)

    Participants must follow a strict code of ethical conduct. Any harmful behaviour, such as touching, chasing, staging, or manipulating marine life, will result in all submissions for that day being disqualified. Entries may resume the next day with a renewed commitment to responsible practices.

    This initiative promotes conscious photography, proving that impactful images can be captured without interference, fostering a deeper respect for the ocean and its creatures.


    The REAL FOCUS: Contribution Over Competition

    At its core, this isn’t about competition. It’s about contribution.

    Every image submitted becomes part of a larger mission: a 3-year species behaviour study spearheaded by Dr Dave Harasti, a globally recognised marine biologist. Your shots will directly feed into a research paper aimed at better understanding marine life across both dive sites.

    And this isn’t just about the prizes. It’s about changing underwater behaviour, encouraging photographers to hone their craft without touching, staging or manipulating marine life. Stunning images can—and should—come from respectful, natural interactions.


    Gathering the Tribe

    This project has been two years in the making. Our partners will be #makrogehtimmer, a Facebook group created in 2023, that is a growing community of nearly 5,000 underwater photography enthusiasts dedicated to ethical macro photography.

    To ensure the integrity of this event, the judging panel was selected for their 100% advocacy for changing how we shoot underwater.


    Panel of Judges

    • Dr. Georg Nies (Germany) – Head of Jury

    • Lilian Koh (Singapore)

    • Imran Ahmad (Malaysia)

    • Ram Yoro (Philippines)

    • Dr Alex Tattersall (United Kingdom)

    Judging will be conducted live and anonymously, ensuring a purely merit-based review with no indication of the photographer’s identity or the Solitude resort/location where the images were captured.

    CLICK HERE TO: Meet the Judicators


    Prizes and Sponsors

    With over USD 25,000 in prizes, the competition is backed by some of the most respected names in the diving and photography world:

    • Solitude Acacia Resort

    • Solitude Lembeh Resort

    • Solitude Liveaboards & Resorts

    • Gull

    • Mini Gear Europe

    • Fotocore

    Stay tuned—more sponsors will be announced in the lead-up to the event.


    Be Part of the Movement

    REAL FOCUS isn’t just an event—it’s a call to action. Solitude World invites divers, photographers, and ocean lovers to take part in a transformational experience that honours both artistry, advocacy and respect.

    To learn more and register, visit: www.solitude.world/realfocus



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  • Massive 8.8 Magnitude Earthquake off Russia’s Fareastern Coast Triggers Tsunami Warnings

    Massive 8.8 Magnitude Earthquake off Russia’s Fareastern Coast Triggers Tsunami Warnings

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    Massive 8.8 Magnitude Earthquake off Russia’s Fareastern Coast Triggers Tsunami Warnings

     

    A massive 8.8-magnitude megathrust earthquake has struck off Russia’s fareastern coast. Tsunami alerts have been issued in Japan (coastal regions from Hokkaido to Kyushu), all of the U.S. West Coast, Hawaii, Guam, and portions of Alaska’s remote Aleutian Islands. According to the United States Geological Survey, the quake struck about 78 miles from the city of Petropavlovsk-Kamchatsky, at a depth of 11 miles, at 23:24:50 UTC. USGS says the earthquake is tied at the sixth most severe in history.

    While 10–13-foot tsunami waves have hit Kamchatka, minimal damage has so far been reported. Japanese meterologists have forecast similar-sized tsunami waves hitting Japan’s coast, urging residents in affected areas to evacuate immediately. Officials in Hawaii have ordered an immediate evacuation of large parts of Oahu, including Honolulu.

    DPG hopes everyone in the affected coastal areas is out of harm’s way.

     



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  • Isotta Announces First Housing for Smartphones

    Isotta Announces First Housing for Smartphones

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    Isotta has unveiled its new anodized aluminum housing for smartphones—a first for the Italian company. Isotta tells us that the single image on their website shows the prototype, but given the finish, it looks to be very close to the final product. We can expect full product shots in the coming weeks. According to the new phone’s spec sheet, the housing is “compatible with any phone model currently on the market” and can be fitted with “an adjustable mount for additional lenses.”

    Like many smartphone housings, connection to your phone is via Bluetooth, so you won’t need a special app to make use of the housing’s hardware controls for basic operation. The picture of the prototype doesn’t reveal much about those hardware controls, but the spec sheet intriguingly states that there’s a “joystick for cursor control.” What is clearly visible is Isotta’s signature single-handed open/close knob, but the spec sheet notes that the back of the housing is “completely detachable” from the front.

    Also of note is that the housing features a compartment for a rechargeable 21700 battery—which presumably explains the housing’s prominent bulge—and there’s a USB-C socket for charging. The battery is designed to keep your phone juiced for longer and it may well also power the built-in “moisture sensor with LED indicator.” The housing is also ready to receive a vacuum system, but this is an optional extra.

    Shipping in mid-September, Isotta’s smartphone housing can be pre-ordered from Backscatter now. Final surprise: The housing isn’t only available in “Isotta red”—there’s a black version, too.

     


    When purchasing underwater photography equipment like the products mentioned in this article, please support DPG by supporting our retail partner—Backscatter.com.


    PRODUCT DESCRIPTION

    SMARTPHONE HOUSING

    PRE-ORDER NOW!*

    *Delivery expected in mid-September 2025.

    TECHNICAL DATA

    • Red and Black colored anodized aluminum body;

    • Designed to attach up to 3 spheres;

    • Bluetooth connection;

    • Compatible with any phone model currently on the market;

    • Ergonomic for horizontal or vertical use; perfect for Instagram shots;

    • Prepared to attach an adjustable mount for additional lenses;

    • Joystick for cursor control;

    • Dedicated button for shooting, ok and back;

    • No app needs for basic function;

    • 1 USB-C socket for charging the housing’s battery (charger not included);

    • 1 USB-C socket to use the housing’s battery as powerbank for the phone (cable not included);

    • 1 rechargeable 21700 battery (not included);

    • Double O-Ring seals on the removable parts;

    • Back housing completely detachable from the front housing;

    • Single-hand closing knob;

    • Prepared for ISOTTA vacuum system (not included);

    • Moisture sensor with LED indicator;

    • Working depth: 100 meters;

    • Sizes (LxHxP): 113/176 mm x 80 mm x 235 mm;

    • Air weight: about 1 Kg without the phone;

    • Water weight: about 300 gr without the phone;


    WHAT IS INCLUDED

    • Housing;

    • Humidity sensor;

    • Replacement O-ring kit;

    • Silicone lubricant 15gr / 0,5 oz;

    • Warranty: 2 years manufacturer’s (excluding batteries);


    Sales price without tax 850,00 €

    Sales price, 22% VAT included*1037,00 €

    *Price inclusive of VAT rate at 22%, valid for Italy and the member countries of the European Community.



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  • New Adapter Supports Nauticam Ports on Aquatica Housings

    New Adapter Supports Nauticam Ports on Aquatica Housings

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    Aquatica users, ever wanted to mount Nauticam domes or water-contact optics like the WACP-1 or WACP-C on your housing? Well, Aquatica has just announced a new adapter for 120mm (N120) diameter ports that allows you to do just that.

    The precision-machined anodized aluminum adapter features a bayonet-style mount with a locking mechanism to ensure ports are securely locked into place. The adapter doesn’t interfere with zoom and focus gears.

    Shipping in mid-September, the adapter is priced at $350 and will be available from retailers such as Backscatter. Aquatica has promised to release more adapters for other port diameters in the future.

     


    When purchasing underwater photography equipment like the products mentioned in this article, please support DPG by supporting our retail partner—Backscatter.com.


    PRESS RELEASE

    Aquatica Introduces New Adapter to Support Nauticam Ports on Aquatica Housings

    Montreal, Canada – In response to growing customer demand, Aquatica is proud to announce the release of a new adapter that enables the use of Nauticam ports on Aquatica housings.

    The first model in this new line of adapters is designed for 120mm diameter ports and features a secure locking mechanism. Additional adapters for other port diameters are planned for future release.

    This solution is ideal for photographers who have already invested in Nauticam ports and now wish to pair them with Aquatica’s durable and cost-effective aluminum housings.

    Key Features

    • Precision-machined from high-grade aluminum and fully anodized for exceptional durability and corrosion resistance

    • Simple and secure bayonet-style mount for fast and reliable installation

    • Maintains full functionality of zoom and focus gear systems (where applicable)

    • Fully pressure-tested at our factory to ensure leak-free performance


    Availability

    The adapter is expected to be available through our authorized dealer network by mid-September 2025.

    Product #48479

    MSRP: $349.00 USD

    For more information please contact: orders@aquatica.ca



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  • Ikelite Launches Two More OM System TG-7 Housing and Ecko Strobe Kits

    Ikelite Launches Two More OM System TG-7 Housing and Ecko Strobe Kits

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    Underwater Housing for OM System Tough TG-7, TG-6 and Ecko Strobes Wide Angle Kit

     

    After launching of its Ecko Fiber and Ecko DS strobes, Ikelite released, in June, two kits bundling the fiber-optically triggered model with the OM System Tough TG-7 camera, housing, and various accessories—one bundling a single strobe and another bunding a pair of strobes.

    The kits are perfect for shooters starting out with nothing, since the camera itself is included, but for owners of the OM System TG-7 or the Olympus TG-5 or Olympus TG-6 (all of which have the same basic functionality), Ikelite has introduced two new kits that bundle the Ecko Fiber with just housing and accessories.

    The first kit, the “Wide Angle Kit” (above), comprises the housing with six-inch dome port, tray with dual handles, two Ecko Fiber strobes, strobe arms, and fiber-optic cords. The camera is not included and neither is the Olympus FCON-T02 fisheye lens for which this setup is specifically designed. Note that you’ll still get the benefits of the dome port even without the fisheye lens, but it’s highly recommended for a proper wide-angle perspective.

    The second kit, the “Deluxe Kit” (below), comprises housing, tray with single handle, single Ecko Fiber strobe, strobe arm, and fiber-optic cord. The camera itself isn’t included. With this housing, you still have the option of adding the FCON-T02 lens and dome port later—and, of course, a second strobe if you want.

    Available from Ikelite, the new “Wide Angle Kit” is retailing for $2,020, while the new “Deluxe Kit” costs $1,145.

    Underwater Housing for OM System Tough TG-7, Olympus TG-6 Camera and Ecko Strobe Deluxe Kit

     


    When purchasing underwater photography equipment like the products mentioned in this article, please support DPG by supporting our retail partner—Backscatter.com.



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  • New Sea&Sea YS-D130R Strobe Under Development

    New Sea&Sea YS-D130R Strobe Under Development

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    Not to be outdone by the slew of manufacturers flooding the strobe market of late—think AOI Q1i, Ikelite Ecko, Ikelite RC165/DS165, Isotta RED64, Kraken Sports KR-S40 and Retra Flash Pro Max II—Sea&Sea has teased a new strobe currently “under development” called the YS-D130R.

    The Japanese company isn’t giving too much away, but their product page refers to a “high-output strobe equipped with a circular flash tube designed to deliver smooth, even lighting distribution.” Promising that “advanced customization options allow for precise control across a wide range of camera systems and shooting styles,” the new strobe offers manual power settings as well as DS-TTL and OM System’s RC TTL. Sea&Sea also says the new model features a “redesigned battery system.”

     


    Interestingly, Sea&Sea make a point of showing where exactly the YS-D130R will sit in their range—namely, at the very top, above the YS-D3 DUO, the YS-01 SOLIS and the YS-03 SOLIS. While no number is given to indicate power, it’s notable that the new strobe sports a circular flash tube like the much-loved-but-long-discontinued YS-250PRO, which claimed a guide number of 32.

    No pricing is currently available, but retailers such as Backscatter are already taking pre-orders for the Sea&Sea YS-D130R.

     


    When purchasing underwater photography equipment like the products mentioned in this article, please support DPG by supporting our retail partner—Backscatter.com.



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  • Underwater Awards Australasia 2025: Deadline Extended!

    Underwater Awards Australasia 2025: Deadline Extended!

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    The deadline of the Underwater Awards Australasia 2025 has been extended by popular demand! You now have an extra week to submit your entries—submissions must close on July 27th!

    This really is your last chance to claim your share of $70,000 worth of prizes: awesome dive trips with Ocean Souls Explorer, Walindi Dive Resort, Master Liveaboards, Atlantis Philippines, Lissenung Island Resort, and Aquatica Dive Resort; as well as fabulous equipment from Doris, Fotocore, QYSEA, SUBLUE, OM System, Backscatter, Inon, Kraken Sports, SeaLife, OrcaTorch, Isotta, Insta360, Fourth Element, CineBags, and Saga Dive; not to mention a 2-day PADI Freediving course with Abyss Scuba Diving, a double dive at Nguthungulli Julian Rocks with Sundive Byron Bay, a one-year membership to The Underwater Club, and an hourlong online meeting with a shark scientist from the Oceania Chondrichthyan Society.

    For six of the nine categories—Sharks, Conservation, Portfolio, Smartphone/Action Cam, Tough TG and Reels Showcase—entries must have been shot in the Australasian region, which includes Australia, New Zealand, and the countries of Melanesia, Micronesia, Polynesia, and Southeast Asia (see map). The remainder are special categories: Sydney (images captured in the waters of Metropolitan Sydney), Australian (images from Australia and its internal territories), and International Waters (images from anywhere!).

    Submissions will be judged by a prestigious panel—photo judges Tobias Friedrich, Jayne Jenkins, Matty Smith, Tanya Houppermans, Scott Portelli and William Tan; and video judges Philip Hamilton and Ross Long—and the winners will be announced, and exhibited, at the Go Diving Show ANZ in September.

    Procrastinate no longer, shooters! Head over to UnderwaterCompetition.com to enter your masterpieces today! (And please don’t forget to read the rules and guidelines carefully first.) The competition is an industry-first three-way collaboration between DPG, Underwater Australasia, and UW Images. Entry fees are US$10 per image or video entered.

     

     



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  • Sony RX1R III Premium Compact Camera Unveiled After Almost Decade Wait

    Sony RX1R III Premium Compact Camera Unveiled After Almost Decade Wait

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    Good things come to those who wait. Certainly, that’s the reaction Sony is hoping for with the launch of the RX1R III premium full-frame compact—very nearly 10 years after the RX1R II was announced. One thing is for sure: A lot has changed in terms of camera technology in the intervening period.

    For starters, while the RX1R II combined a 42.4-megapixel sensor with the BIONZ X image processor, the RX1R III boasts a 61MP sensor and the latest BIONZ XR chip as well as Sony’s newest AI-processing unit for locking onto and tracking subjects. There are also now 693 phase-detection AF points covering around 78% of the image capture area, up from 399 points in the RX1R II. Unsurprisingly, video also gets a significant boost: The new camera can shoot 4K/30p 10-bit 4:2:2 and 1080/120p 8-bit 4:2:0 video, while its predecessor maxed out at 1080/60p.

    Other things that have changed include: the rear 3-inch LCD, which is now a touchscreen and offers improved resolution (2.36M dot vs 1.23M); the battery, a NP-FW50 unit that increases the CIPA rating from 220 shots to 300; and the EVF, which is rear mounted rather than pop up (though still 2.36M-dot resolution). It’s worth noting a couple of minor negatives: the screen no longer tilts and the viewfinder has a smaller magnification—0.7x vs 0.74x. What has not changed is the camera’s fixed lens—it’s the same Zeiss Sonnar T* 35mm f/2 that was built into the original RX1 from 2012. For underwater use, of course, that’s going to need high-quality wet lenses in front of it to capture the vast majority of subjects.

    Available in July, the Sony RX1R III will retail for an eye-watering $5,100—a price tag, most will agree, justifies its “premium” designation.

     


    When purchasing underwater photography equipment like the products mentioned in this article, please support DPG by supporting our retail partner—Backscatter.com.


    PRESS RELEASE

    Sony Electronics Introduces The RX1R III: The Flagship Full-Frame Premium Compact Camera With A Fixed Lens

    SAN DIEGO, July 15, 2025 – Sony Electronics Inc. announces the RX1R III, the eagerly anticipated third generation of its RX1R series, featuring a 61-megapixel1 35 mm full-frame Exmor R™ CMOS image sensor, the latest BIONZ XR™ image processing engine, and a ZEISS® Sonnar T* 35 mm F2 lens.

    “The RX1R III combines Sony’s design savvy with the latest innovations in imaging technology to produce a new flagship in our RX1R camera series that offers uncompromising full-frame quality in a premium compact camera body,” said Yang Cheng, Vice President of Imaging Solutions, Sony Electronics Inc. “The RX1R series has resonated greatly among discerning photographers, and we’re proud to now deliver the next generation of this popular camera model.”

     


    A Focus On High-Quality Photography

    The combination of the 61-megapixel1 full-frame Exmor R™ back-illuminated CMOS image sensor and the BIONZ XR™ image processing engine delivers high resolution and sensitivity, with low noise and a wide dynamic range. The sensor surface features AR (Anti-Reflection) coating and omits the optical low-pass filter to achieve superior image quality.

    The integrated lens offers excellent image quality. By optimizing the position of the lens and the imaging surface one by one at the micron level, RX1R III achieves high optical performance in a compact form factor.

    Dedicated To Creative Freedom

    To ensure you always get your shot accurately and without effort, RX1R III is equipped with the latest AI-processing unit, a valued feature of top-of-the-line professional Sony Alpha™ cameras. The AI-processing unit can accurately recognize the shape and movement of subjects, human bodies, heads, and the position of eyes, tracking subjects even when their faces are not visible, and is available for both still images and videos2. Up to 693 densely arranged3 phase-detection AF (Auto-Focus) points cover approximately 78% (for still image shooting) of the image capture’s area.

    While the camera has a fixed lens, users can tap into the versatility of three prime lenses thanks to the Step Crop Shooting4 function, which allows users to switch between focal lengths equivalent to 35 mm, 50 mm, and 70 mm5 via assigned buttons or dials. When shooting in RAW format, users can reselect the focal length during post-production. The lens’s macro ring enables instant switching to macro mode, allowing users to get as close as 20 cm (maximum magnification: 0.26x).

    For creators who enjoy unique and personalized visuals, RX1R III offers twelve built-in Creative Looks. Adjustments to hue, saturation, brightness, contrast, and sharpness can be applied not only to still images but also to videos. Most notable among the Creative Looks6, FL2 allows the capturing of a nostalgic expression with subdued colors, and FL3 allows for a more vibrant image.

    Streamlined Design & Reliable Hardware

    Made of lightweight yet highly rigid magnesium alloy, the RX1R III design balances aesthetics and functionality. While maintaining excellent operability, the dials and Multi-Interface (MI) Shoe are embedded into the camera body and the top surface of the body features a flat design. The grip design and surface texture provide a secure and comfortable hold.

    RX1R III is equipped with an electronic viewfinder featuring an approximately 2.36 million-dot XGA OLED with high resolution and high contrast, offering a magnification of approximately 0.70x.

    RX1R III uses the rechargeable battery pack NP-FW50, allowing the capture of up to 300 still images7. It features a USB Type-C® port that allows rapid charging when connected to USB Power Delivery8-compatible devices, or the addition of external power sources, such as mobile batteries, for extended shooting sessions.

    Social Responsibility

    Aligned with Sony’s ambitious ‘Road to Zero’ initiative, this product supports the company’s vision for achieving a zero environmental footprint by 2050. The Sony Group’s manufacturing facilities for imaging products, including the RX1R III, are operating at 100% renewable energy. The RX1R III packaging uses Sony’s proprietary environmentally friendly Original Blended Material9 instead of plastic10.

    The camera system incorporates comprehensive accessibility options, including a Screen Reader function11 and Display Magnification, to support visually impaired users across an expanded range of menu items.

    Optional Accessories

    TG-2 is a dedicated thumb grip that attaches to the Multi Interface (MI) Shoe to provide stable holding and operability, including when operated with one hand. When attached to the body, the metal material and high-quality paint finish provide exceptional design unity.

    LCS-RXL is a compact body case dedicated to this camera model intended to protect the camera from scratches and dirt and enhance its elegance with its refined texture material. The body case allows access to all ports—USB, HDMI, battery, memory card, and tripod attachment—without removal. The grip design improves the holding experience.

    LHP-1 is a lens hood made specifically for this camera. It features a robust construction using lightweight and high-strength aluminum material, protecting the lens from impact and dirt. The bayonet mount allows for quick and secure attachment.

     


    Pricing & Availability

    The RX1R III will be available in July 2025 for approximately $5,099.99 USD and $6,299.99 CAD. The TG-2 for approximately $299.99 USD and $349.99 CAD, the LCS-RXL for approximately $249.99 USD and $224.99 CAD, and the LHP-1 for approximately $199.99 USD and $249.99 CAD, in August 2025. They will be sold directly through Sony and at a variety of Sony’s authorized dealers throughout North America.

    1Approximate effective

    2Available subject settings are: Auto, Human, Animal, Bird, Insect, Car/Train, and Airplane. Subject types other than the type specified may be erroneously recognized in some cases.

    3It is number of AF measurement points during still image shooting. The number of points varies depending on the shooting mode.

    4Not available for movies.

    5When shooting JPEG images with a 3:2 aspect ratio, the resolution is as follows: At 35 mm: L size (60 megapixels), at 50 mm: M size (29 megapixels), at 70 mm: S size (15 megapixels)

    6ST (Standard), PT (Portrait), NT (Neutral), VV (Vivid), VV2 (Vivid 2), FL (Film), FL2 (Film 2), FL3 (Film 3), IN (Instant), SH (Soft Highkey), BW (Black & White) and SE (Sepia).

    7When using the viewfinder: 270 shots.

    818W (9V/2A) USB PD power source is recommended.

    9Paper material made from bamboo, sugarcane fibers, and post-consumer recycled paper.

    10Excluding materials used in coatings and adhesives.

    11Supported languages differ according to country and region.



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  • Introducing Nauticam’s Midrange Focus Optimizer (MFO-3)

    Introducing Nauticam’s Midrange Focus Optimizer (MFO-3)

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    We got our first look at the Midrange Focus Optimizer (MFO-1) at last year’s DEMA Show. Now, Nauticam has unveiled a new Midrange Focus Optimizer called the MFO-3. (Yeah, we’re intrigued about the mysterious MFO-2 as well!)

    While the MFO-1 is designed to perform various functions when used with your macro lens—extending the focus range, minimizing lens aberration, and boosting magnification—the MFO-3 is designed for a more specific task: close focusing. Nauticam says that the MFO-3’s greatly improved “focus-to-the-glass performance” is especially useful for blackwater photographers. At the same time, according to Nauticam, the optic still offers “ample” working distance when you need it. Thus, Nauticam claims you’ll benefit whether you’re shooting “thumbnail-sized nudibranchs or grapefruit-sized frogfish.”

    Effectively, the MFO-3 converts your 90mm, 100mm or 105mm lens into roughly a 60mm equivalent, and, depending on your lens, provides a working distance of between ~0mm and ~1500mm! Nauticam has provided the results from testing the MFO-3 with a variety of popular longer-focal-length lenses, and the company also shows how the MFO-3 compares with the MFO-1 and SMC-3 (see tables below).

    The Nauticam Midrange Focus Optimizer 3 (MFO-3) costs $730 and is available from retailers such as Backscatter. Keep an eye out: Blackwater master Mike Bartick has been testing the MFO-3 in the field and we’ll be publishing his review on DPG soon.

     


    When purchasing underwater photography equipment like the products mentioned in this article, please support DPG by supporting our retail partner—Backscatter.com.


    PRODUCT INFORMATION

    Midrange Focus Optimizer 3 (MFO-3)

    Nauticam once again demonstrates its commitment to underwater photographers with the introduction of the Mid-range Focus Optimizer 3 (MFO-3). As full-frame mirrorless cameras become the go-to choice for serious underwater imaging, a key limitation has emerged: the lack of close-focusing, wide-angle macro lens options—especially for blackwater photography. The MFO-3 is designed to solve that problem without requiring new camera lenses or ports.

    Optimized for use with longer focal length full-frame macro lenses (such as 90mm, 100mm, and 105mm), the MFO-3 transforms these lenses into an approximate 60mm equivalent.  It also delivers significantly enhanced “focus-to-the-glass” performance while still offering ample working distance when needed. Whether you’re capturing thumbnail-sized nudibranchs or grapefruit-sized frogfish, this water-contact optic delivers outstanding image quality—without the need to swap out your camera lens or port.

    While it’s an outstanding tool for blackwater, the MFO-3 is just as capable in a wide range of macro environments. And despite its larger physical size, it actually boasts a lower in-water weight than the SMC-3, making it easier to handle and balance in the water.


    Midrange Focus Optimizer 3 (MFO-3) Specifications

    • Dimensions: OD 84mm x H 114.2mm

    • Weight in air: 602g

    • Buoyancy in water: Negative 120g

    • Max Magnification (*1): 0.9x

    • Lens FOV/Converted FOV: 23°/38°

    • Working distance (*1): 0–1500mm

    • Body construction: Hard-anodized aluminum alloy

    • Lens construction: 4 elements in 3 groups

    • Lens coatings: Anti-reflection Coating

    • Mount thread diameter: M67

    • Depth rating: 100m

    *1 Tested with Nikon Nikkor Z MC 105mm f/2.8 VR S Macro Lens

    Comparison with MFO-1 and SMC-3















     

    81503 MFO-3

    81501 MFO-1

    81203 SMC-3

    Dimensions (OD x H mm)

    Ø 84 x 114.2mm

    Ø 70 x 26mm

    Ø 70 x 32mm

    Weight in air

    602g

    218g

    307g

    Buoyancy in water

    Negative 120g

    Negative 150g

    Negative 215g

    Lens FOV/Converted FOV(*1)

    23°/38°

     

     

    Max. Magnification (*1)

    0.9X

    1.2X

    2.3X

    Working distance (*1)

    0–1500mm

    108–1005mm

    46–98mm

    Lens construction

    4 elements in 3 groups

    3 elements in 2 groups

    3 elements in 2 groups

    Lens coatings

    Anti-reflection

    Anti-reflection

    Anti-reflection

    Mount thread

    M67

    M67

    M67

    Depth rating

    100m

    100m

    100m

    *1. Tested with Nikon Nikkor Z MC 105mm f/2.8 VR S Macro lens

     

    Compatible Lenses with MFO-3















    Lens

    Sensor


    format

    Lens FOV.

    Max.


    Magnification

    Working


    distance

    Converted FOV.

    Canon RF 100mm f/2.8 L Macro IS USM (with Modified Aperture)

    FF

    24°

    0.9X

    0–1490mm

    40º

    Canon EF 100mm f/2.8L Macro IS USM

    FF

    24°

    0.9X

    0–1490mm

    40º

    Nikon NIKKOR Z MC 105mm f/2.8 VR S Macro

    FF

    23°

    0.9X

    0–1500mm

    38°

    Nikon AF-S VR Micro-NIKKOR 105mm f/2.8G IF-ED

    FF

    23°

    0.8X

    5–1490mm

    38°

    Nikon AF-S Micro NIKKOR 60mm f/2.8G ED

    DX

    26.5°

    0.5X

    0–1500mm

    45º

    Sony FE 90mm f/2.8 Macro G OSS

    FF

    27°

    0.8X

    0–1500mm

    45º

    Fujifilm GF 120mm f/4 Macro R LM OIS WR

    Medium 


    Format

    25.7°

    0.9X

    15–1500mm

    43º

    Olympus M. Zuiko Digital ED 60mm f2.8 Macro

    M43

    20°

    0.5X

    0–1500mm

    33º

    OM System M.Zuiko Digital ED 90mm f/3.5 Macro IS PRO(Normal macro mode)

    M43

    14°

    0.7X

    0–1480mm

    23º

    Canon EF-S 60mm f2.8 Macro USM

    APS-C

    24.5°

    TBD

    TBD

    TBD

    Panasonic Lumix S 100mm f2.8 Macro

    FF

    24°

    TBD

    TBD

    TBD

     

    Included in the box

    • Front and rear rubber caps

    • Neoprene bag

    • M67 Spacer ring for SMC/CMC

    • Cleaning cloth


    SKU # 81503

    $ 730.00



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