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There are a bunch... so here goes: 1. Size...big camera means large case.. and that means lots of task loading and carrying it around...remember you also are diving. 2. Cost..rather exponential here. More the case and ports than the camera. The issue is more that if you decide you want a...

Thanks for posting, and would agree it is obvious it should be different. Regarding the usable amount of O2 present...while not asked before, here is the detail: I was doing some extremely physical work trying to hold myself still on a vertical wall with heavy surge. Left hand holding myself...

Ok, I am not saying it correctly, using the correct terms and in the correct way (sorry).. it is the partial pressure that is the issue, and this gets really complex an I don't have a clue as to how to explain it. We obviously don't breath the 21% on the surface...we only absorb some of it and...

I was assuming when you said free divers, that you were talking about people just breathing surface air. The maximum amount of O2 in your blood from that is the 21%. Free diving is filled with guessing as to exactly what is happening...is it Nitrogen Tox, is it O2 Tox....is it CO2 Tox...

It is not that under normal conditions one is making more CO2 (which was not the point of all this), it is that there are things that can stop your lungs from working, and as you have lots of O2 available, but no way to get rid of all the CO2, one is headed for a very ugly event. In the case I...

I don't know how this became about free diving, but it is not the subject and no one was talking about free divers.. however they can get all the things you said...well maybe not the Tox hit (but don't study it) ---------- Post added May 12th, 2015 at 07:32 PM ---------- To my surprise, there...

An instructor that does not understand gas laws and partial pressures means there are students that also don't understand, even though there is a ton of information and detail from every agency, but guess I should not be surprised that it is no longer important... way too complex I suppose. Oh...

Free divers only take with them, the gas from the surface, so they only experience what happens at the surface. Does not matter how deep they go, it does not change how much O2, and how much CO2 they can make...which is pretty much a tie between the two. So if there is no more O2 in you at...

Really, so you don't believe in MOD's then? Or the effects of any toxic gas under pressure.. or Navy research, or physics or all those limits due to gas effects under pressure? Or how about the toxicity effect in this link? Carbon dioxide - Wikipedia, the free encyclopedia If you just did...

A bit, they are effected by it (just not for very long), but they only have the amount of O2 they got on the surface. So yea, they will still have the toxic effects, but for a much shorter time and from a limited amount of O2. The gradual onset is also much easier to withstand, as is the...

Sorry, would be happy to expand. On the surface, we have around 21% O2, and seems we can survive (not well) down to about 6%. And we can live up to around 6% CO2 (which is actually from 12% O2 because half of the CO2 goes into solution as an acid). So, if you hold your breath on the surface...

Scuba mc, you got two very different events, and from the outside, they look the same. Your second example is classic panic...the drive to remove yourself from the situation. There is an adrenaline rush to power it and at most it will last less than 2 minutes. Practice, experience and knowing...

Regarding the software, it is very nice, and for the most part, gives one everything they could ever use. The new, color display units, all have battery life issues, and makes them a pain to use on a field trip. This unit does hold a lot of dives in it's memory.. hundreds actually, and the IR...

I hope one day there is a better understanding of what can happen.

Having just gone thru what could easily be called a panic issue, would like to point out a few things I have learned the hard way. I've alway thought that panic was, well panic..something you could, if you remained calm control...there is some that no person, no training can control and it has...

I have an older Galileo Sol...and have 700 dives on it. I've worn out two straps, had to glue the metal cover back on and upgraded it to the trimix version. I've never had any computer before or since that lasted more 100 dives. Seems I am rather hard on dive computers. This thing is a tank...

Lol. The problem with temperature change is that if you cool something quickly (like say putting it in cold water)...you can suck water inside the unit. That is what I believe happened with mine. The other issues...flare....really soft edges are sort of built into the design. It works, but...

Might not have explained myself very well. I don't believe that DECO diving and solo diving mix very well. Has nothing to do with having a buddy or not having a buddy. DECO diving, with a hard ceiling, has other risks that can be reduced by having some sort of surface support. Solo diving...

kaerius, I am guessing that you are pretty comfortable without a mask..so that should not be a worry. Cutting tools...yea. I carry 3 in very different locations just in case I cannot reach my primary or I drop it. Spare computer...if you need that, I would suggest you would be diving too deep...

Interesting responses. I tip. I do it only when I believe someone has done a good or better job. I do it because I understand just how little money most people make in this industry and would like to see the good people stay around and the bad ones leave. I notice a lot of responses...