Underwater Guest Shooter – KP Perkins

Posted in Under the Sea on February 11th, 2010 by MadDog
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As it’s already after 15:00 today and I’ve not written a word yet, I’ll be mercifully brief. I did break free from the office yesterday afternoon to take KP Perkins for her last dive in Papua New Guinea, at least for the foreseeable future. You may remember this shot of her from another recent post:KP had asked me to give her some basic photography lessons, since her previous experiences had not been very satisfying for her. I took her out to Pig Island  and we dived The Eel Garden. The surface water was horrible. We could barely see our hands in front of our faces. Underneath, is was not so bad.

KP took most of the shots. One of the most difficult things about underwater photography is staying in position for the shot. Most divers are not used to moving their bodies to achieve precision; you just sort of swim through the water like a fish. KP got her introduction to motion blur. Shooting without flash as in this image of a Sea Squirt (Polycarpa aurata),  will quickly show you how shakey your hands are:Macro shots, such as the one above are the most difficult.

Wider field shots such as this river of tiny catfish (Plotosus lineatus) are more forgiving:The common Reef Lizardfish (Synodus variegatus)  is good practice, because, as long as you move in slowly, you can get pretty close before it gets fed up and scurries to another location:Still life shots such as these Palm Tree Coral (Calvularia species)  polyps also make easy shots:I took this one. I wanted to show KP how, with good bracing and a two-hand hold, I could get a crisp shot at 1/6 second:The image stabilization in the camera is not supposed to be much good at such slow shutter speeds. However, if you can get braced firmly enough, it yields perfectly good images. The little critter is a Phyllidiella pustulosa  nudibranch sliding downhill as fast as he can.

We switched to flash for a while to give KP a little practice. Here is a terrific shot of a Phyllidia varicosa  nudibranch:I can’t remember looking as bad as this in any photograph. But it’s not KP’s fault:I wish I could think of something funny to say about it.

Here’s a tidy little reef scene with the Palm Tree coral, a Seriatopora hystrix  (the golden one) coral and a couple of little yellow fish which I can’t seem to identify at the moment:KP is a very quick study, as you can see. A couple of hours of Photoshop work after the dive and she already has the beginnings of a respectable portfolio.

This only feeds my desire to to underwater photography courses in the best diving spots on the planet.

Any takers?

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Wrapping Up 2009

Posted in Under the Sea on December 31st, 2009 by MadDog
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After yesterday’s dark and whiny rambling through the back alleys of my nearly comatose mind, which prompted friends to call to see if I was planning to depart post-haste to greener pastures (or no pasture at all), I should maybe craft some slightly more upbeat prose. As a recovering (seemingly forever) bipolar, I need to be reminded once in a while that things are never so dark as I may wish to paint them on a down day. The flip side of that, as those who’ve experienced that hideous roller-coaster will instantly proclaim, is that things are never so bright either.

But, never mind. I’m over that. My craving for sympathy is satiated and I still have plenty of pineapple upside-down cake left. Today we will meet a couple of new characters and visit again with some old friends. A few days ago I took KP Perkins for her first dives after the completion of her Open Water Course. On our second dive, we went to The Eel Garden near Pig Island.  There, on the sandy bottom I got this pitiful shot of what we call a Leaf Fish. The “book” common name is Peacock Razorfish. This the juvenile phase of a species variation of Iniistius pavo:It’s a funny little thing. Against the creamy white bottom it looks very dark brown. I had to squeeze very hard on the lemon to get a bit of detail out of the body. Tha’s why it doesn’t look like a very good picture. We call it a Leaf Fish because, unless you are looking for it, you will be fooled by its colour, shape, the little topknot looking like a stem and its insane wobbly swimming motion into believing  that it is a leaf.

Here is another new something for you. It’s a coral, but I’m unable to determine the species name, since I can’t find it in my book. So, I’ll just call it Spiral Coral for now:What intrigues me about this coral is the striking resemblance between this overhead view and images of the Belousov-Zhabotinsky (BZ) reaction. Say what? Well, it’s a famous family of oscillating chemical reactions which can create amazing visible spiral patterns such as this:

I wouldn’t care to claim that I understand these reactions in anything other than a very general way. The details were not covered in CHEM-101 forty years ago. Nevertheless, the images were still im my mind and I could look them up with “spiral chemical reactions” using Google images. Ain’t the web great? Anybody can seem like an authority on anything. Wait, maybe that’s not  so great.

Well, here’s a spiky old friend from only a few days ago. It’s a Sea Cucumber (Thelenota ananas):I’m sure that it’s the same one that I showed you before. It lives there.

Here’s another old buddy, the gorgeous Tomato anemonefish (Amphiprion frenatus):It this shot you can see the strong blue tint that is often seen in the white vertical bars. I’m not sure if this is really pigmentation – it doesn’t appear to be so. I think that it either some sort of reflection of the sky (it seems to be more common on a sunny day when most of the sky is blue) or it is a property of the surface of the skin similar to butterfly wings that produces colour by means of optical effects at the nanometric level. But, who knows? Maybe God just paints it that way. I’m no expert.

Here’s another bit of underwater eye candy that you’ve seen here before. They are Sea Squirts (Polycarpa aurata):I like to think of them as elf shoes. See, they have nice little elastic bands around the ankles so that they won’t fall off in the midst of mischief-making.

This is a shot that I really like. It’s our old friend, the Spotted Shrimpgoby (Amblyeleotris guttata)  way out at the end of his front porch:They usually stay right next to their hidey-hole. It’s rare to see one that doesn’t have its tail down the burrow. This one has strayed a few centimetres away. You can see the trail of “dust” that it kicked up when it last came out only a few seconds ago.

I had one chance at the shot above before the little spotted pixy dived back into its burrow. The image turned out perfect. Though it’s not colourful, it is exactly as I saw it.

That is as close to diving as I can get you unless you’re ready to get wet.

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