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Test: Optical performance of Nikonos 15mm, flat and dome ports Photo

Test: Optical performance of Nikonos 15mm, flat and dome ports

Inventor, manufacturer and filmmaker Pawel Achtel shares his tests of the performance of cinema lenses behind flat and dome ports as well as the use of the Nikonos 15mm wide-angle lens. They were tested using a RED Epic camera in 5K mode, shooting Spatial Frequency Response charts underwater with the camera held in a rigid frame to ensure repeatable results.

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Typhoon Hagupit slams into the Philippines Photo

Typhoon Hagupit slams into the Philippines

As I write, super Typhoon Hagupit is finding landfall on the eastern coast of the Philippines. It is expected that the accompanying 120mph winds and storm surge are likely to wreak destruction to areas that are still recovering from the devastation wrought by Typhoon Haiyan a year ago. The authorities seem much better prepared this time, and it is hoped that the terrible loss of life that occurred last year will be avoided. Nevertheless, it is inevitable that there will be significant disruption and damage to properties. The Wetpixel community fervently hopes that if you are in the path of the storm, you and your loved ones are in a place of safety and that the the damage to your property and businesses is as limited as possible. You are in our thoughts and prayers.

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A failure to evolve may cause the Charles Darwin research station to go extinct Photo

A failure to evolve may cause the Charles Darwin research station to go extinct

In an unusual twist of fate, the famed Charles Darwin Research Station of the Galapagos Islands may close by the end of the year due to failure to adapt with the times. The legacy of the research station may rest in the hands of donors as the lab is asking for nearly one million dollars in donations prior to the end of the year. Scientists claim the closure of the gift shop left them in this dire predicament.

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Seals use acoustic tags to hunt more efficiently Photo

Seals use acoustic tags to hunt more efficiently

Howard Hall commented here on Wetpixel about the proliferation of tags that are festooning some marine animals and the potential negative effects that these may have on the animals that the studiers seek to understand. A paper published recently in the Proceedings of the Royal Society B entitled Grey Seals use anthropogenic signals from acoustic tags to locate fish shows how grey seals (Halichoerus grypus) have learnt to use the signals emitted by fish tags as an aid to hunting more efficiently.

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A battle to save the most endangered marine mammal: The Vaquita Photo

A battle to save the most endangered marine mammal: The Vaquita

The battle to save the Vaquita of the Gulf of California involves an interesting cast of characters: a Mexican drug cartel, Chinese wildlife traffickers, and an endangered fish’s swim bladder. Scientists believe the critically endangered porpoises, down to a population of 100, could become extinct within three years if drastic action is not taken.

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