Olympus has announced the E-PL1 which is less expensive addition to their PEN Micro-Four Thirds cameras. They also announced an underwater housing for the model.
Once you have mastered traditional underwater lighting techniques, you're ready to experiment with more advanced approaches to lighting that can add a creative look to your underwater images...
External strobes are an essential part of an underwater photographers gear kit. Underwater strobes are flash guns that provide the necessary artificial light to compensate for the absorption of...
Most underwater photographers who have spent any time in the Indo Pacific have come across the very photogenic Titan Triggerfish. They can be aggressive and have been known to attack divers
Another report about the underwater photographic experiences of South East Asia by DPG editor Matt Weiss. This time in Palawan, Philippines where he enjoys "botanical diving"
As divers and underwater photographers and videographers, we tend to travel off the beaten path fairly often. Find out how you can take the extra precautionary step with a PLB - Personal Locator...
It always saddens me to here these continual reports come through the news wires. Commercial fishing has to be one of the most wasteful practices on earth. So much is by-catch - and it is...
This firmware update is posted on Nikon Europe's website. We expect it to hit the US website as well, but there is no official US press release about it yet.
How much carbon dioxide is too much? According to United Nations Framework Convention on Climate Change (UNFCCC) greenhouse gases in the atmosphere need to be stabilized at levels low enough to...
DivePhotoGuide editor Matt Weiss returns from South East Asia and will provide comprehensive coverage on this diverse area and its diving from a photographers point of view.
During a time when "Australia links organized crime to illegal fishing", the Queensland, Australia Department of Primary Industries and Fisheries is creating a dedicated shark fishery of their own.
When I was told that I had won the 1st Place in the a Wide-angle category of the Our World Underwater I couldn't be happier, because the prize was a trip to Revillagigedo (Socorro). I had visited...
The Remote Slave Unit RSU is a very sensitive microprocessor controlled photosensor that triggers underwater strobes over large distances. No TTL function is build in the RSU as in the Digital Adapter
Scientists on board RRS Discovery are at sea studying the Saharan dust that blows off the coast of Africa - triggering huge plankton blooms in the eastern Atlantic
You may have learned in Oceanography that wind driven surface effects are limited to the first 70m of the ocean, in what's commonly known as the Ekman layer
A large amount of the greenhouse gas nitrous oxide is produced by bacteria in the oxygen poor parts of the ocean using nitrites according to Dr Mark Trimmer of Queen Mary, University of London. "A...
Researchers fresh from an eight-week scientific drilling expedition off the Pacific coast of Japan today reported their discovery of strong variation in the tectonic stresses in a region notorious...
Scientists know this already, but just to give you some idea of the problem, the Greenland ice cap is melting at such a fast rate it is triggering earthquakes as pieces of ice several cubic...
The tranquil Satabhaya coast along the Gahirmatha Marine Sanctuary has turned into a graveyard for Olive Ridley sea turtles with over a hundred decomposed bodies of these delicate marine species...
Japanese scientists have identified two light receptors in marine algae which appear to be responsible for the proliferation of these plants.
The scientists hope to use the findings, published...
Our buddies Blake, Norma, Jean and Mauricio were exhibiting a handful of new products, including a set of new Underwater Buoyancy Compensating Floats, a remote control shutter release (making them...
As the federal government is set to finalize stricter limits on fishing the Gulf of Mexico's popular red snapper, fisheries regulators are under heightened pressure to rebuild at least four other...
Interactions between major oceans, triggered by climate change, will produce increasingly dry conditions in southern parts of Australia for decades to come, projections by the country's main...
Warmer waters in the deep Pacific triggered the end of the last ice age, preceding the rise in greenhouse gas levels.Earth's climate can be sensitive, changing after a variety of events. A volcanic...
Sign a Petition to Reinstate the Shark Fin Ban in Ecuador. Last week we ran a story from The Guardian (UK): Hundreds of sharks have been slaughtered daily off the coast of Ecuador since a ban on...
Sharks change their blood volume depending on the saltiness of the water they're swimming in, according to new research.
So sharks must continuously regulate their blood and other body-fluid...
Hundreds of sharks have been slaughtered daily off the coast of Ecuador since a ban on the sale of fins was lifted last week, prompting warnings of ecological disaster.
Fishing boats have returned...
A RECORD cold snap across southern Queensland has triggered coral bleaching normally associated with the extremes of hot weather linked to climate change.
Scientists say the bleaching has been...
While humans can survive large temperature fluctuations, such species as corals are only comfortable within a 12-degree temperature range. And rising global temperatures appear to be threatening...
Excessive fishing in the Black Sea has triggered major changes in the marine ecosystem, scientists suggest.
The collapse of fish stocks altered the sea's food chain, triggering a "regime...
In September 2006, a spearfishing enthusiast was free-diving in 8m of water, a half-mile off the Florida Keys. He trained his spear gun on a very large grouper, pulled the trigger and speared it....
UNFCCC Executive Secretary says significant funds needed to adapt to climate change impacts (Brussels, 6 April 2007) - On the occasion of the launch of the Intergovernmental Panel on Climate...
Earlier this week, a woman stared at me as she paddled by on her kayak.
"You talking on the phone?" she laughed.
She had reason to be surprised, as I was, indeed, chatting away on a...
A powerful earthquake in northeastern Indonesia on Tuesday caused panicked residents to flee shaking buildings on islands in the Maluku Sea and briefly triggered a tsunami warning, officials said....
A strong earthquake jolted North Sulawesi province in eastern Indonesia late Sunday, triggering panic among residents but there were no immediate reports of injury or structural damage nor did any...
Nexus now offers Fiber Optic Sync with TTL to the Nikon D80, D200 and Canon 5D. These cameras have a Pop-up flash on top of the camera that is used to trigger the external strobe via a fiber optic...
new study has found that large segments of the Pacific Ocean lack sufficient iron to trigger healthy phytoplankton growth and the absence of the mineral stresses these microscopic ocean plants,...
It may not be romantic, but it really is quite fascinating. Generally a few days after the full moon in August, an amazing event takes place off the Florida Keys.
It's a late-night annual event,...
Scientists from NASA and Columbia University, New York, have used computer modeling to successfully reproduce an abrupt climate change that took place 8,200 years ago. At that time, the beginning...
A leading group of epidemiologists, veterinarians and ecologists report that humans are affecting the oceans in ways that are changing the dynamics of disease. Previously harmless pathogens are...
Scientists use deep ocean historical records to find an abrupt ocean circulation reversal caused by greenhouse gas warming.
New research produced by scientists at Scripps Institution of...
A pipe dumping millions of gallons of treated sewage into the Atlantic Ocean daily from a wastewater plant operated by Delray Beach and Boynton Beach is triggering algae blooms that have killed...
The vibrant colors of Florida Keys reefs have begun to fade in recent weeks, a sign scientists hope doesn't erupt into serious coral bleaching.
Bleaching, triggered by extended weeks of hot and...
At DEMA 2004 here in Houston, Mark Rupert from Inon America took a few minutes to explain the functions of their new D-2000 Strobe. This is an optically-triggered o­nly strobe, meaning...
Inevitably there comes a point for most underwater photographers when your focus shifts from the excitement of taking pictures underwater to the finer points of your equipment and technique that...