There are moments when scuba diving feels effortless: drifting over a shallow reef or descending through clear water toward a sandy bottom. But diving can also be strenuous — when swimming against a current or trudging to a dive site loaded down with gear, for example. In these situations divers must be physically able to both handle themselves and assist their dive buddies if necessary.
What Does Fitness for Diving Mean? When determining fitness to dive, a physician may weigh several factors, …

New Online Dive Show Set to Launch This Weekend

scubadigital title banner

Scuba.Digital 2020, a new online dive show, is set to launch this weekend from Friday 23 to Sunday 26 October 2020. 

In lieu of the coronavirus pandemic – which has seen all major international dive shows cancelled or postponed since March this year – the entrepreneurs behind online liveaboard booking system ScubaClick brought their digital expertise to the table to launch the new virtual show.

Speakers and exhibitors from around the globe have signed up to showcase their services, which will be available around-the-clock for 72 hours once the show opens at 12pm (BST) on 23 October. A series of live presentations, discussions, demonstrations, lectures and classes will be available. ‘Breakout’ sessions will be held after presentations to allow for further discussion of the topic, and ‘networking’ areas will be available giving attendees the chance to meet presenters and exhibitors on a virtual footing.

The organisers are keen to stress the international aspect of the dive show, and multilingual chat rooms will be available in English, French, German, Spanish, Chinese, Hindi, Arabic, Russian and Polish.

More than 170 exhibitors are signed up to the show, with early-bird tickets still available for $10, discounted from the official $20 price tag.

For more information, an overview of the exhibitors and to book tickets, visit the official Scuba.Digital website.

 

Cephalopod SCience Project on Wetpixel

The Cephalopod Citizen Science Project is seeking someone to help write their cephalopod ID guides. It would suit someone with a science background (or involved in a science based degree currently) who has a passion for these amazing creatures. If you are interested, please email for more details of the position.

Wetpixel and the Cephalopod Citizen Science Project will be partnering on a number of projects soon. Please keep checking back for information about this!

Octopus on Wetpixel

Volunteer position:

The Cephalopod Citizen Science Project is a worldwide scientific research project, using reports of cephalopods from members of the public (especially the scuba community) and researchers alike to help understand their behavior in the wild.

The Cephalopod Citizen Science Project is looking for a writer of ID guides specifically for cephalopods in regions where guides do not exist (which is nearly everywhere!) We have published guides for cephalopods inhabiting The Mediterranean Sea (PDF), The North Sea (PDF) and the North East Atlantic (PDF).

The guides are part of the projects goal to give back to the community who provide scientifically valuable observations. The guides are therefore free, and we do not charge for anything we do (including public speaking, via Zoom/Teams etc), sadly this means our position is unpaid. What will you get? Authorship of what will be a scientifically ‘correct’ and technical ID guide is a useful addition to any CV, especially that of a very early career academic, scientist, or technician. The position is therefore aimed primarily at someone at the later undergraduate stage, but ideally postgraduate level of scientific writing. Alternatively, it could be someone that has completed some level of academic training, but now has the time and passion to commit to gathering information about these marvelous creatures.

Most of the information for the guides is available from NGO literature (e.g. ICES, FAO, and primary scientific sources) as are relevant images, and so the work will require summarizing various sources of information and presenting in language useful to all levels of education

We are especially interested in non-English speaking applicants, we are very serious about inclusivity and would like all guides to be available in local languages. More than one position maybe available.

Please email any questions or for more details of the position.

Photo Contest on Wetpixel

Wetpixel’s friends at Inon have let us know that the Japanese Government Tourism Bureau is hosting the Sea of Japan underwater photo contest. Open to images that could only have been shot in Japan; “from photos of species endemic to Japan to the unique views and one-of-a-kind colors that can be found in Japanese waters!” The contest is open now, and the deadline for entries is 15 November.

PHOTO CONTEST ANNOUNCEMENT

The Japanese Government Tourism Bureau is holding an underwater photo contest!

The Japanese Government Tourism Bureau (Jnto) will hold an underwater photo contest for the period from October 2020, 15 (Thurs) to November 15th (Sun).

We will be holding a ′′diving photo contest′′ to make the charm of diving in Japan even more around the world. We are looking for underwater photos that can be taken because it is a Japanese diving, such as the uniqueness, and Japanese-specific species of diving in Japan!

  • Title: ′′Sea of Japan′′ Underwater Photo Contest 2020
  • Application Period: October 15, 2020 (Thurs.) 15 (Sun)
  • RESULTS ANNOUNCEMENT: scheduled to be announced on our photo contest results page (scheduled for January 2021)

The Photos you have applied for will be used as a photo material in the diving tourism promotion project that jnto will be implemented in the future.

Application details here.

I was asked to lead a armed forces training dive bc they didn't have any experience at the breakwater. Never been so nervous as when there were 10 armed divers following me... submitted by /u/RogueOrange
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Daniel Keller shares more of his extensive knowledge about capturing color underwater. In this episode of Wetpixel Live with Adam Hanlon, he discusses how filters can be used to balance out the spectrum of light captured by still and video shooters.

Wetpixel Live is a series of video conversation that aims to answer many of the commonly posted queries on the Wetpixel Forum. There are now nearly 80 episodes, covering everything from competition results to dealing with housing floods. If you are an underwater image maker, they are an unmissable resource, so please subscribe to ensure you are notified about new videos as they are posted.

Pavel Kolpakov of UW Technics offers an explanation of how High-Speed Sync (HSS) works and details the TTL housing boards that have been developed by UW Technics. He mentions that HSS may be useful for shooting near the surface, under bright sunlight, creative photography with different depth of field, and fast-moving objects. It may also be helpful with cameras that offer relatively slow sync speeds.

UW Technics TTL Converters with HSS can be user installed. More details are available on the UW Technics website.

From UW Technics

New TTL Converters with HSS Suport

Pavel Kolpakov, developer of electronic systems for underwater photo gear and founder of UW Technics group of companies, shared some information about a new family of TTL Converters for High-Speed Synchronization support, developed and released by UW Technics in 2020.

Classic underwater strobe produces a mono flash. To exposure the shot correctly, the flash must fire at the moment when the camera shutter window is fully open. Photographers use the term “normal flash” for this case. The fastest available shutter speed is named sync speed, and it depends on the actual speed of the mechanical shutter’s parts. Most modern photo cameras have a sync speed of about 1/160…1/250 s.

Communicating with the camera, a regular TTL Converter limits shutter speed to 1/160 – 1/250 automatically to provide normal illumination by underwater strobes to avoid a dark band at the edge of the image. Photo camera requests to limit the sync speed this way via Hot Shoe TTL protocol.

This limitation was quite essential for underwater photographers and was mostly normal until recently. But this year there have been positive changes in this topic. Retra company released HSS underwater strobes with optical synchronization, UW Technics company released a full line of HSS TTL Converters and other necessary products for ultra-fast shutter speeds usage. So, shutter speeds up to 1/8000 s became available for underwater photographers.

High-Speed Synchronization (HSS) is the flash operation at ultra-fast shutter speeds (available range 1/250 – 1/8000 s). The camera shutter window never opens full at high shutter speeds but looks like a narrow moving part opened between two curtains. In this case, the flash lighting must occur with a long series of short flashes at a frequency of about 30 kHz while a partially open shutter window moves along the frame. The total flash duration is much longer than normal mono flash. The intensity of HSS flash lighting can be adjusted by changing the frequency of these pulses. The system can be switched to HSS mode via the camera menu.

This year, the HSS lighting support UW Technics company has developed and released a whole series of HSS TTL Converters for work with Sony, Nikon, Canon, and Olympus cameras at ultra-fast shutter speeds. Moreover, UW Technics HSS TTL Converter different models are already available for almost all underwater housings on the market: Nauticam, Hugyfot, Sea&Sea, Nexus, Isotta, Sealux, Aquatica, Seacam, Subal, Ikelite, Seafrogs, and Nimar.

Underwater photographers have flexible HSS tools for working with exposure (for shooting near the surface, under bright sunlight, creative photography with different depth of field, fast-moving objects, and many other applications).

As an example, very popular among the underwater photographers now are TTL Converters for Nauticam housings. By the way, those TTL boards also fit Hugyfot housings. These are the following products:

  • #11074-HSS (for Olympus)
  • #11031-HSS (for Nikon)
  • #11052-HSS (for Canon)
  • #11075-HSS (for Sony A7-A9 family)
  • #11073-HSS (for Sony A6000-A6500 family)

Also popular is the newest product family developed for Seafrogs (Meikon) housings. In addition to TTL and HSS, these products also include a leak detector with a goldplated sensor, siren, and LED alarm. This is an advanced combined TTL board. Optional production also includes different Optical and Electric Bulkheads, purposed for work with TTL Converter. Currently, UW Technics produces the following HSS TTL boards for Seafrogs housings:

  • #16034-HSS (for Sony A7 family)
  • #16033-HSS (for Sony A6xxx family)
  • #16037-HSS (for Canon)
  • #16038-HSS (for Nikon)

User installation is very easy, it takes 1 minute:

TTL boards for Nexus housings support original Nexus Optical and Electric Bulkheads. These are the following products of this family:

  • #11063-HSS (for Nikon)
  • #11064-HSS (for Canon)

It should be noted that this year there has been a lot of interest in the HSS feature throughout the underwater photography community. Reviews of the experience of the practical application of HSS in underwater photography began to appear in the press.

Many photographers rate HSS as a useful creative tool for underwater photography. UW Technics company is currently engaged in several developments of underwater electronics based on High-Speed Synchronization. As noted above, in 2020, the company released 38 new products for HSS support.


Author: Pavel Kolpakov. Test photo, using UW Technics TTL-Converter #11052

UW Technics can be contacted via email or via Facebook. Full specifications and details of the products are available on the UW Technics website.