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I have three go-to lenses. 1. 15mm Fisheye. This is tough to shoot since you need big animals or big scenes. However when it works it is awesome. 2. 15-40mm WA Zoom. This works as a general purpose wide angle. It is great for fish portraits of bigish fish or limited close focus WA. 3...

One of my favorite dive spots on the planet is Roca Partida, which is part of the Revillagigedo Archipelago (sometimes called the Socorro Islands). When I was there last month we had ripping currents which make photography challenging. The upside is that strong currents sure bring in the...

Hi All, I recently got back from a dive trip to Clipperton Island. One of the interesting things about this remote atoll is that Moray eels cover the reef and many are out free swimming during the day. They are completely unafraid and swim right up to divers. I put together this short clip...

Last month I did a great trip to the Revillagigedos (Socorro Islands) and Clipperton Island aboard the Nautilus Explorer. On a late afternoon dive at Roca Partida it was clearly dinnertime as the big fish started striking the small ones. First the Sharks came in, then the Wahoo, then big...

I second the recommendation for Jacks. I was there last November and had a great time. Diving in Kona isn't cheap, but we had some awesome dives. We had a mind-blowing Manta dive with 40 (yes 40!) mantas at once. It was surreal. The manta video is at: Hawaii Manta Dive - YouTube and the...

I have very low air consumption and with Al80s I did several dives that were 75-79 minutes. In Cozumel I found the DMs would start signaling to ascend after around 45min. When am doing photography and in the zone I like to stay down as long as I can do so safely. In Kona it was refreshing to...

I have been to Cozumel three times and to Kona once. You can have good dives in both places, although they are very different. If I were planning another trip and the choices were between the two, I would give the nod to Kona. I have always been a little confused about people who rave about...

You understood correctly. The o-ring groove I measured is slightly narrower than the thickness of the o-ring, which violates the design guidelines which suggest that the width should be 1.5x the thickness to accommodate lateral expansion. I think the idea was to hold the o-ring in the groove...

Sorry about geeking out, but I like when discussions are based on facts. :-)

If you are interested, the Parker o-ring catalog is a font of information (http://www.parker.com/literature/ORD%205700%20Parker_O-Ring_Handbook.pdf). In section 2.4.6, they have tables that show how much clamping force you need to compress an o-ring. For the 1/8" oring that Aquatica uses, a...

I agree with you that the when the housing is closed you want the the door to touch the housing in a metal-to-metal contact, but I have yet to see a housing that actually does this. I don't know what you own, but on my Aquatica housings the latches that hold the back door closed are set by the...

From our recent trip to Kona, Hawaii. This one makes my wife shudder. Enjoy! Great teeth by - drsteve -, on Flickr

We had such an awesome dive that we did it again the following week. On the second dive we had a strong surge and only 4-5 Mantas. They are wild animals so you never know.

The map opening is from IMovie '09. Sadly iMovie mangled my high resolution stills in the intro into pixelated cartoons, but the video seems to have come through relatively intact.

I was walking on water after that dive. Well technically I was on a boat, but it was ON the water.

My wife and I dove with Jack's diving locker. Despite the fact that they are a high volume shop, I found that they were very organized, the DMs were quite knowledgeable, and their boats were well maintained. Best of all (for me) they limit dive times to 80 minutes (seriously) and for advanced...

I thought that was what duct tape was for. ;-) P.S. I have DUI zip seals and I LOVE being able to zip on a new seal when the old one fails.

I am a little surprised that there have been no comments. Admittedly my video skills need work, but it was an amazing encounter.

I mostly shoot stills, but I have been trying to branch out to shoot some video. A couple weeks ago my wife and I went on an AWESOME manta night dive. Here are a couple of my humble offerings. Enjoy! http://youtu.be/RjbgIQTzc-s http://youtu.be/AO51bAii-Og You can see the stills at: Hawaii...

Sure. First of all, you need to realize that you are photographing subjects that in other context would be called backscatter. So throw out the window all of the usual lessons of strobe placement. I used a 100mm macro lens behind a flat port and pushed my strobe arms in front of the lens...