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    Fishing for comments on Nikon D5200 w/ Ikelite housing

    I used a Canon PowerShot G9 for a few years and am considering moving up to DSLR. So far the D5200 seems to be the best bang for the buck, particularly taking into account low-light performance/sensor noise. While it's been several years since I last dove, and is still an open question whether...
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    other charities?

    Are there any other charities related to ocean conservation and dive safety that I should know about beyond the really obviously listed ones here? Project AWARE and so on have their own sub-forum so they're hard to miss, and DAN is certainly well known, but surely there are others worth looking...
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    Looking for a basic transparent UW container

    I'm wanting to test some DIY gear underwater to validate my ideas before building them up more significantly. That is, proof of concept. I had been planning on putting stuff into clear PVC and taking it into the water with me, but at the size I need (6"), clear PVC is cost-prohibitive...
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    Starting a 3D camcorder housing

    No housings yet exist for the Panasonic SDT750. I'm sure if I wanted to limit myself to 2D I could use an existing housing, but that's not why I bought the camera in the first place :) I'd made posts earlier about controls, which is almost certainly the biggest difficulty in making a camera...
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    Dolphin Slaughter

    "The Japanese government defends the killings for meat as traditional. " I'm now pretty much convinced that all governments suck. :angrymob: Dolphin bloodbath exposed | The Sun |News
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    Housing Buttons?

    A while back, I contacted Ikelite to find out how much they sell their housing buttons for, in the hopes that I could use them for my own camera housing (as one still does not yet exist for the Panasonic SDT750). Unfortunately, while Ikelite does sell the larger dial-type controls, they do not...
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    Can construction (jig photos)

    I'm back into trying to build an SST-90 (9A 2250 lumen LED) based dive light, thanks to the industrious folks over on candlepowerforums (specifically, Der Wichtel, who has put together a 9A driver).. and also because the battery can I built for my P7 based light flooded... The flooding...
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    TSA got you down?

    Is anyone else out there finding the draconian methods being employed by the TSA to be curbing their dive travel? I just canceled a dive trip to Bonaire so that I wouldn't have to submit to state authorized sexual molestation. It's unfortunate that air travel has come to this, I was really...
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    beware of sharks...

    They might snatch your camera... Terrifying moment shark took a bite out of sea paparazzi | News.com.au
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    HDC-SDT750K 3D camcorder

    I ordered the camera and it showed up yesterday. My intent is to construct an underwater housing for it (unless ikelite or such beat me to it - see DIY camcorder housing). The 3D effect works okay, but the quality of the image in the little amount of experimenting I've been able to do so far...
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    DIY camcorder housing?

    I recently became aware of the Panasonic HDC-SDT750K camcorder, which records 3D video in HD (side by side, so while it has 1080 lines, the horizontal resolution is cut in half). There doesn't seem to be much available for Panasonic gear in terms of underwater housings, so I figured if I...
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    3D video

    I saw this in the Nov 2010 issue of Popular Science on my way back from Dominica. HDC-SDT750K - 3D Camcorders - Shop and Compare at Panasonic Up to that point, I pretty much had no interest in the gimmickery of 3D video (didn't care for the experience for the one 3D movie I've seen so...
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    securing a spool

    I recently went diving off Grand Cayman and took my finger spool on the dives. It fell off twice, though I managed to retrieve it both times. I had been fastening it to my gear using SS bolt snaps, but after losing it twice, I'm looking for a better alternative. On the first occasion it...
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    Disappointed with W-20/9305.92

    I recently took my camera on a trip (not for the first time, but it was effectively the first time I was really able to use it)... and found myself very disappointed with the results using the W-20 lens. In full telephoto (and hopefully you'll forgive any incorrect terminology or whatnot, I'm...
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    New light project

    Well, it's not really new, I've been working on it for months, but this might be my first post about it... The original design uses the SST-90 LED, and a driver board that I designed around the LDO-10C DC-DC and a thermistor trim, based on ideas from folks over on candle power forums. If I...
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    Dive Wimberly?

    I haven't been out to "Blue Hole" in Wimberly since long before I started diving, but the recent "extreme cave diving" episode on NOVA made me think about it. Has anyone been diving out there? A quick search turned up a smattering of comments about Jacob's Well, but I wasn't able to find any...
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    Where to go for nudibranchs?

    Nudibranchs have been one of my favorite photo subjects since my first big dive trip to Maui, but I haven't had much luck finding any since then. I've been to Cozumel repeatedly, and haven't seen a single one (though on the last trip I found a lot of cowries), nor did I spot any in the Flower...
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    video light reflector?

    I posted a message on the underwater videography group but didn't get any responses. In short, how do you folks who are building your own video lights chose a reflector? The reflector I used for my UV light was for more of a narrow-beam flashlight, but with a video light I figure you'd want...
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    video light for digital camera?

    I recently built a canister light for special purpose photography and have started thinking about building a similar video light system. I have a Canon PowerShot G9 that I use for both stills and video, and my thought was to add a pair of white LED lights on arms on either side of the camera...
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    tank size question

    I was thinking about rebreathers again today (at my experience level, that's about all I can do right now :-), and something occurred to me: every rebreather I've seen has the same size tank for diluent and oxygen. Why is this? I would have expected that the absorption rate of the diluent...
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