Greenland sharks live for over 270 years
Science reports on a new paper cataloging the longevity of Greenland sharks (Somniosus microcephalus). Danish scientists have used the presence of carbon 14 caused by the atom bomb testing on the 1960s to generate a growth curve and radiocarbon dating of eye lens nuclei from 28 female Greenland sharks to reveal that they have a life span of at least 272 years. It is conjectured that some individuals may be 400 years old.
Nauticam ships housing for Canon G7X Mark II
Nauticam are shipping their housing for the Canon PowerShot G7X Mark II compact camera. The NA-G7XMKII features the N50 port system of interchangeable ports, a two-stage shutter release and ships with stiffening handle brackets and shutter release extension for use with Nauticam’s optional Flexitrays.
Freeze Frame: Electricity
Study published on why humpbacks protect other mammals from Orca predation
In a recent study published in Marine Mammal Science, scientists analyzed the somewhat puzzling behavior of humpback whales to protect other species from killer whales. The study focused on 115 specific instances where humpbacks interfered in orcas attacking other animals. Without any obvious benefit to the humpbacks resulting from protecting other animals, the scientists said they could not rule out altruistic intentions on the part of the humpback whales.
Sea& Sea announces housing for Sony a6300
Sea&Sea has announced their MDX housing for the Sony A6300 mirrorless cameras. The camera’s LCD can be tilted up to 180° and used with an optional monitor hood if required. The housing also offers two accessory ports, an external port lock and is compatible with both NX and ML ports (the former requires an adaptor ring).
John Ellerbrock: The Origins of Seal Check
Gates Underwater Product’s John Ellerbrock provides a brief history of vacuum seal checking devices. Now consider de rigueur on most new housing purchases, it is interesting to note that the recent surge in their popularity has suggested that they are a new idea. John points out that filmmakers have been vacuum checking their housings for at least 70 years.
The olympic underwater photographers are robots
The stunning underwater images coming out of the Rio Olympics give an interesting view into the sports of swimming, diving and synchronized diving. The Rio Olympics are the first year where the underwater cameras are actually robots. Getty photographers have two Canon 1DX Mark II cameras in remotely controlled housings that are operated by photographers above water during competitive events.
Sea&Sea announces housing for EOS 80D
Sea&Sea has released details of their housing for the Canon EOS 80D SLR camera. The MDX-80D housing has an “improved underwater weight” and the camera’s multi controller is accessible via a control. the main control dials are equipped with damper springs for secure operation. Strobe triggering is via fiber optic.
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