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In that case I would say the actions of the DM were justified. There are plenty of divers who have gone missing on such drift dives - and I suspect a common feature of such accidents is that the divers involved 'did not agree' with the boat rules, and found the staff enforcing such rules (stay...

Were these drift dives in current, with a live boat following the divers? If so then keeping the dive group together, and having all members of the group surface at the same time, is rather important.

For the last 15 years or so I've been using a 2-drive NAS server (RAID 1) for storage at home. However should I loose the server then I loose everything. I'm considering cloud options (possibly Onedrive) to back up my files offsite, but as I last looked at cloud and physical storage options...

Folks don't stop diving because they get 'old'. They get 'old' because they stop diving. Cheers Rohan

With my EM5 iii I use back-button AF-C focus with tracking ('C-AF TR') spread over a small box (9 focus points) or cross (5 points): Keep the focus button down and focus stays locked on the subject, despite both its movements, and my own cameras movements as I recompose the shot (and/or am...

You need a gradual bend to allow for flex/movement. If you had a short downwards hose: Something is going to disconnect/be yanked off when you move or twist during a dive You may find your member supporting the full or partial weight of your drysuit when gearing up or getting out of your suit...

I too would like to see the depth graph. I don't use AI, but the air consumption graph does not make sense to me: it shows a remarkably constant slope, with ~100 bar used in ~35 min. This is regardless of changes in depth during decent or any changes in diver activity. For folks who do use AI...

The book 'Fitness for Divers' by Cameron Martz is a great source of info on strength, cardio and flexibility training tailored for divers...

Thanks for that - I dived Tubbataha back in the 1990's when doing my PhD in the Philippines. How long have you been there and have local dive groups seen much change in the reefs or fish populations in recent years? Oh, and triggerfish are just pure evil. They are the only fish I fear - nothing...

Oh, I'm trying my best to speed things up through inappropriate gear choices, but Uncle Darwin keeps smiling on me... Just went out to my dive gear building and gave some much-used light heads and reels with 5+ year old zip ties a firm tug: nope - still firmly attached. My budget does allow me...

While I admire advanced knottery, I'm lazy so just use a small zip tie ('cable tie' to you folk) or these bungie loop thingies to attach clips to lights: Should I somehow manage to clip myself to an underwater obstacle, then both zip ties and these bungee loops will break if given a large...

In this shot, with a nice black background, have a close look at the shadow from the hydroid's stalk: The shadow is towards the camera. To get this shot I put the strobe above and slightly behind the hydroid, pointing back towards the camera. See your strobe as a cone emitting light, and...

To preempt @Searcaigh I have hired only the very best graphic artists for the following diagram: See your strobes as cones of light. You want to catch your subject on the edge of the light cone. I rarely point my strobe at the subject - as it lights up backscatter and the background. My...

I see that the YS-03 is Slave TTL-only: it has no manual control or power adjustment. While you mention you are shooting in manual exposure mode, what camera flash mode are you using: auto, fill, manual, etc? Also - what metering mode are you using (spot, center, matrix, etc)? Shooting the...

Are you shooting in manual or some automatic mode? I would suggest trying manual following the tips here. To get the effect you mention I would probably go with only one flash, with a snoot, on manual, along with a small, weak focus light (is your VL4600PB a 4600 lumens video light?) that...

The XT1 failing closed really is a one in a million failure due to a manufacturing defect or incorrect assembly. If you are doing the first dive on a brand new reg, or a reg back from service, then make the dive an easy one and/or keep a buddy on hand for that one dive. For your scenario B...

I agree 100% - I've never owned an Air-integrated computer and never will. I am fine with checking my spg a few times each dive - and usually only to confirm that the pressure is what I think it should be by that point. However - for new or holiday divers who are attracted to such features...

Good choice! If you keep the battery sealed away as much as possible it should last you a decade or three. On the subject - you may want to consider a handle for the light to free up your hands. While Dive Rite sell soft and hard goodman handles with a quick release that cost almost as much...

No sure about the data overlay - but as an example of the worse trim possible I'd love to see more of the video: can you post a link?

As you live in Europe you should give consideration to German OSTC computers: like Shearwater, but with better display and layout. Either that or Italian Ratio computers, which have air integration. As Tursiops mentions - you need to prioritize your wish list. To future-proof your computer...