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Second Curtain Sync and the fire dancer

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Thirty second exposure on slide film using flash and second curtain sync. Second curtain sync, also called rear curtain sync, is a flash-related feature found on many SLR, DSLR, and mirrorless cameras.  It allows the user to fire a connected flash unit at the end of the exposure, rather than at the beginning, as is the norm.  It is useful in certain situations as it produces a more natural-looking exposure when timing is an issue. So, what's with this 1st-curtain/2nd-curtain stuff anyway?  This doesn't apply to global shutters, leaf shutters, or electronic shutters, but only the good, old-fashioned focal-plane shutters so many of us are familiar with.  I've created a diagram for the process of how 1st and 2nd shutters work that is posted below. Movement of 1st and 2nd curtain shutters for focal-plane shutter cameras. There are two shutters in cameras equipped with focal-plane shutters.  The first one, called the first-curtain shutter, blocks light from reaching ...
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History of the Point Atkinson Lighthouse

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The Point Atkinson Lighthouse as photographed in 2011.  There was still a caretaker there at the time. I have been going back through my old files, and I found a photo of the above lighthouse I took almost 15 years ago.  I keep all my old files that came straight from the camera.  This image was shot as a raw file and I opened it with my modern 2026 edition of Photoshop.  Digital imaging has come a long way since then. Originally built out of wood in 1875, a lighthouse has stood guard at the entrance of Burrard Inlet.  The wooden structure was replaced with a concrete one in 1912 and stands today as it did 114 years ago.  The original lighthouse was built as part of the agreement to bring British Columbia into federation.  It's interesting to think of Canada as it was back then. The lighthouse has had someone living there from its inception until 2020, when it underwent full automation.  The lands around the lighthouse have been saved as a park; L...
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Munson Pond - Demonstration at City Hall regarding road development

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There were six of us at the demonstration on Tuesday (March 10, 2026) this week.   I decided to park some distance away from City Hall, where we would be demonstrating the road development through Munson Pond Park.  After all, it was important, and I understand there are about 6,000 signatures on the petition regarding the same thing.  As I rounded the corner, I detected a large group of about 100 people carrying placards with a news reporter and video cameraman setting up.  I thought to myself, "What a great turnout!" As I got closer and the signs began revealing what was written on them, the name of Munson did not appear at all.  The demonstration was about saving a golf course that was up for partitioning.  There were 200 people there.  I didn't know much about their cause, but where were those in support of my cause?  It was a moment later when I found my group; four people huddled around a tree in the center of the golf course protest....
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Narrow Banded Pond Fly and rat-tailed maggots

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Sericomyia militaris - The narrow banded pond fly - its larvae are rat-tailed maggots Well, I learned something new today.  I have known about a fly larva called a rat-tailed maggot and I knew about hover flies, but I did not know that rat-tailed maggots were the larvae of hover flies, also called flower flies.  Now, not all flower flies have this kind of larvae, but those that belong to the group of syphids (family Syphidae) in the tribe  Eristalini do.  If you want to see a photo of a rat-tailed maggot, click here . The interesting thing about rat-tailed maggots is that they can thrive in polluted water.  And we're not talking about mildly polluted water, but heavily polluted, stinks to high heaven, filthy, disgusting water.  That's because they don't get their oxygen from the water, but rather from their "rat tail," which is a breathing tube that extends above the waterline.   The water itself, which can actually be more of a mire, contains org...
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Alberta wolf spider - running faster than the prey

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Alberta wolf spider.  There are 50 species of wolf spider in Alberta alone. What has eight legs, eight eyes, and runs like the wind?  A wolf spider.  Although their venom is not poisonous to humans (outside of mild irritation), their bite is fatal to the prey they catch.  Eating insects about their size or smaller, their method of attack is to run the organism down.  Wolf spiders do not spin webs to assist in catching prey.  Rather, their nimble bodies and good eyesight allow them to track and kill would-be meals.   Most spiders have eight eyes, including wolf spiders.  They have two large eyes facing forward. These are used to track prey and are used at night when light is low.  Wolf spiders' eyes glow in the dark when a light is shone on them.  There is a cool photo here that you can see the effect (if you dare!).  They have another four beneath the large pair that help with picking up motion.  The last pair, located lat...
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Lesser scaup - What's a scaup?

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Male lesser scaup and female (inset).  Notice the bluish beak and golden eye. Scaups are a kind of duck.  Sometimes they are called bluebills, although I have never heard them called that.  They are a medium-sized diving duck, like bufflehead ducks, not dabblers, like mallards.  They eat mostly invertebrates, including mollusks, and will take some vegetation.  They are also highly gregarious and will form large rafts on lakes or oceans, depending upon the species. There are two kinds of scaups found in North America (a third species is found in New Zealand).  Greater scaups prefer saltwater and are typically found along marine ecosystems where they can dive for food, although they may be found inland in places.  Lesser scaups prefer fresh water and can be found in western Canada during the breeding season and in the southern US in winter. Distinguishing between the two species is very difficult, as the feathering is very similar.  Greater scaups a...
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New Zealand flower crab spider

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Spiders don't swim or fly, so how did they get to New Zealand originally? New Zealand is famous for its endemic wildlife.  Kiwis, tuataras, keas, and many more.  There are also various endemic spiders and insects.  The above photo is of a New Zealand flower crab spider, similar to the ones I have photographed and written blogs on before ( click here for an example ). New Zealand is a remote island that is over 1500 km away from Australia.  Some islands, like Hawaii, formed from volcanic activity and have never been attached to other continental masses.  New Zealand, however, used to be part of the supercontinent of Gondwanaland and was specifically attached to Australia and Antarctica.  However, they separated about 85 million years ago.   It turns out that the flower crab spiders of New Zealand are closely related to the ones in Australia.  Over the last 85 million years, New Zealand has been slowly moving away from its larger relative....
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