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  1. mattia_v

    Oxycheq bcd problem

    The BC only needs to compensate for the total negative bouyancy of the diver with gear, weights, wetsuit. Body size has almost nothing to do with it, body composition might. To take a personal example: I'm 6 feet tall, weigh 194 lbs (1m84/88kg). With a 3.5mm full wetsuit, aluminum backplate...
  2. mattia_v

    (Small) Trim Weight Pockets

    I really like these from DTD (euro brand, don't know if they sell in the US): Techduikshop.nl Up to 2kg (4 lbs ish), hold 1kg blocks very nicely, slippage prevented by a tri-glide. Several color options. Large Velcro surface and solid closure.
  3. mattia_v

    Hiking trousers... BAD idea?

    I'm confused. Suggested for what purpose, exactly? Diving in? What's wrong with a wetsuit, or if you don't need the heat protection, swimsuit, or if you want sting protection, some form of rash guard?
  4. mattia_v

    Is back inflation really 'all that'?

    I haven't found back inflates to hamper my hanging upside down and peering under reefs antics at all - there's very little air in there at any moment anyway, and I have the extra weight on the straps, so near that additional bouyancy. The tank has more bouyancy than the contents of my BC bladder...
  5. mattia_v

    What hardest thing to overcome as a new diver?

    Speaking as a new-ish diver (been certified for 9 years, but only just reached the 100 dives mark, 40 of them in the past 12 months): 1. Bouyancy - get the weight right, get comfortable, get to know your gear. 2. Relax and slow down - minimize excess movement, become aware of your surroundings...
  6. mattia_v

    Kings day April 27th

    A lot of places (most) will have limited hours, but there will more than likely be street food of some kind to get. It's always a fun party, both in the caribbean Netherlands and the cold wet bit I live in!
  7. mattia_v

    I would like to hear from overweight female divers...

    I think the air consumption recommendation applies to everyone regardless of body weight. I think I have good (but not amazing) air consumption, i.e. I can usually dive at least an hour on a typical 'bonaire dive' (i.e. down to about 25-28 meters max until half tank, then turn and shallow up to...
  8. mattia_v

    New to SCUBA...and new to U/W photography

    As a not so experienced diver who started photography too soon in many ways (i.e. Around my 20th dive)...focus on diving first. On perfect situational awareness. On bouyancy control that does not require a lot of conscious thought but that can run as a 'background process'. Then add a camera...
  9. mattia_v

    IDAS tray and arm system

    Don't have any personal experience with i-DAS per de, but it's a pretty 'standard' 1" ball arm + clamp system. I have Nauticam branded arms and one Nauticam clamp and 2 ULCS clamps (the latter being a market leader for this type of arm). I prefer the feel of the ULCS clamp, slightly. Can't...
  10. mattia_v

    Is back inflation really 'all that'?

    On the 'tipping forward' thing, I experienced it the first week or so, and then learned the tricks required to avoid it. First, less air in the BC helps you keep balanced. Too much and the air bubble raises you up too high out of the water and you tip forward. What works best for me, however...
  11. mattia_v

    Sony Rx100V focus help for shallow underwater use.

    The more recent RX100 cams are very reliable and fast focusing - even my mark 1 is good enough 90% of the time. For a wet wide lens, switch on the auto zone focus (camera automatically selects multiple areas) and stop down a little (f 5.6 or so should be plenty on a 1" sensor)
  12. mattia_v

    Weight belt or weight pockets?

    I have a strong dislike for weight belts combined with a BP/W - I find them uncomfortable and oddly layered, and since I don't dive at home, and don't want to literally drag weight across the world in checked luggage, integrated weight pockets it is. I don't have anything 'better' to use my...
  13. mattia_v

    "Correct Weighting" Identified as #1 Needed Improvement in SCUBA Diving

    I'm oversimplifying here, but for an average man, you're looking at the following: - Average vital capacity is about 5 liters. This is the maximum amount of air that can be exhaled after maximum inhalation. - Average lung volume is about 6 liters, including about 1 liter of dead space - A...
  14. mattia_v

    Sony A7RII + Aquatica Fisheye and Dome Options

    I'm currently using an RX100 with an Inon UWL-100 with the dome, which is half the weight of the WWL-1 (give or take) but still a big, bulky bit of glass. Mounting it on a bayonet mount lens holder is still a feasible option, though you need to be a bit careful when getting in close in that...
  15. mattia_v

    Diver identity - how to increase underwater

    We're often the only ones with BP/Ws, so that's one. And our DSMBs are strapped to the right side of our backplates in their bright orange pouches, and are thus fairly visible. The girlfriend has a red noeprene mask strap as well, and our wetsuits - though black - do have a distinctive 'W3' on...
  16. mattia_v

    Financing Scuba gear

    What does renting a few more times cost you? With regs, my only concern with second-hand options is whether you need to get them serviced (which can suddenly make the price much less attractive). We bought everything new in the end because I couldn't find local 'great deals' on used gear that I...
  17. mattia_v

    Sony A7RII + Aquatica Fisheye and Dome Options

    I'm still pondering whether to house my A7r (or a mk II now that the euro prices have dropped below 3000 for the body), but I think I'd probably use the 28mm with the WWL-1 to keep the option of shooting both macro and wideangle on a single dive. I've grown accustomed to the joys of wet lens...
  18. mattia_v

    I would like to hear from overweight female divers...

    The diving community is generally very accepting of different body shapes and sizes, so that should not be a big issue (though dive instructors at tropical locales do often have that surfer dude look/physique, their pupils don't). And diving is a very fun sport. Check with your family physician...
  19. mattia_v

    When it comes to clearing mask of water@80 Feet ... which mask is best?

    The one that fits, like everyone said. Clearing a mask is a skill, but not particularly difficult to master. Sometimes finding a mask that fits well is more difficult and time-consuming than simply learning to clear. I can name a mask that fits me well (Beauchat MaxLux size S, I have a fairly...
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