Tag: HDR

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Shooting What You See

Water Street and bridge in rain 04-02-2014The rain was just slacking off when I got out of a meeting Wednesday night, so I decided to take a run downtown to see if there was any wet street art to be made. I saw something promising on Main Street, but couldn’t find a parking spot nearby. I decided to go down Water Street and make another pass at it.

When I got to the intersection with Independence, the stop sign glared back at me. Nothing unusual about that, it’s supposed to reflect light when your headlights hit it at night.

That’s when I saw the reflection of the street sign and the stop sign in the water on the wet street. Fortunately, nobody was behind me, so I put it in back-up and angled into a parking space.

I got out of the car and slogged through the water until I thought I had the right angle.

The picture was gone

I’ve talked before about how you have to shoot as soon as you see a picture: if you don’t the magic might leak out. I figured that’s what had happened here: that in the 30 seconds it took for me to get out of the car, grab the camera and find the angle, maybe enough water had drained from the street to lose the reflection.

That’s when it dawned on me: REFLECTION. What had changed was that my headights were no longer hitting the signs, hence, there was no light to be reflected.

I got back in the car and changed from angle parking to aiming my lights down the street. I didn’t want to block the street, so I was still well off to the side. It was close, but not what I saw the first time.

There are no cars out

Water Street and bridge in rain 04-02-2014That’s when I realized that this is CAPE. There ARE no cars out on a rainy Wednesday night. I positioned my car in the travel lane and fired away. NOW I was seeing what I had seen behind the wheel.

This was one of the situations where the photo probably would have been better if I had gone the HDR route, which takes multiple exposures, then combines them into one frame. There were several reasons why I didn’t do that:

So, why didn’t I use HDR?

  • I don’t use HDR enough to be comfortable to setting the camera in the dark.
  • It required me to drag my tripod out.
  • My tummy was growling.
  • It was still sprinkling. Those last three things violate my Retirement Contract where I don’t (A) Go hungry; (B) Get wet or (C) Lift heavy objects.

 Other night weather photos

I’m a child of the night. I loved roaming the streets and alleys of towns after dark. After every cop in town had stopped my at least once, they tended to leave me alone.

Want to know why most car ads are shot with streets that have been sprayed with water? It makes them look cool. Here are a some of collections of night weather pictures.

 

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Tower Rock, Full Moon and HDR

Tower Rock full moon 07-22-2013 7300-7302_HDR2Warning: photo geek stuff to follow. If you’d rather just look at pictures of Tower Rock and the Mississippi River under the full moon, click them to make them larger.

I grew up doing Plain Jane photography. All I had to think about  was film type (color or black and white), film speed, shutter speed, aperture and focal length of the lens. Color / black and white was easy: until I got to The Palm Beach Post, all my work photography was black and white.

I almost always used Kodak Tri-X film for everything except available dark photography, where I experimented with all kinds of exotic film and developer combinations to be able to shoot where you could barely see.

Film speed and f/stops determined how much light hit the film. If you wanted to stop action, you’d use a fast shutter speed and a wide lens opening. If you wanted lots of stuff sharp, you’d stop down the lens and be forced to use a slower shutter. It’s all about math.

Lens choices were equally easy: want to get lots of stuff in, use a wide angle; want to shoot something a long way off, grab a telephoto.

Menus have menu menus

My new Nikon D7000 has more menus than a classy restaurant.  The submenus have submenus, most of which I have never explored. The other night, though, I ventured into the unknown. If I have time, I usually bracket my exposures: in other words, I shoot one at what the camera or I think is right, then I go an interval above and below that exposure in case the camera or I have made a bad first choice. I print or publish the one with the best action, composition, sharpness and/or exposure.

The  problem is that film, paper and sensors don’t have the range of the human eye. We can usually see detail in dark areas and bright areas at the same time. Cameras can’t – or couldn’t.

Enter HDR

Tower Rock 07-22-2013 7378-7380_HDR2There’s magic in those menus. I opted to enter the land of High-Dynamic-Range imaging, better known as HDR. It shoots those same bracketed images, then allows them to be reassembled into one picture. To be honest, I’ve avoided fooling with it because too many people use it to create what we called in school “technically dominated art shots.” Pictures, in other words, where how you did it becomes more important than the content of the photo.

Just because it’s magic doesn’t mean that it’s always GOOD magic. The photo immediately above looks like it could have been shot during the day. It saved too much ambient light. It was taken at 9:40 p.m. when I had to boost the ISO from 200 to 1000. The three exposures for this shot were 13 seconds, 6 seconds and 25 seconds. All were at f/5. I told the camera to overexpose the image by about 4 times because the meter was sensing all the lights from the shore and the reflections of the water and stopping down.

The photo at the top of the page was taken at 9:04 p.m. when I had the ISO set to 200. The exposures were 13 seconds, six seconds and 25 seconds @ f/3.5. I told the camera to overexpose by a factor of 1.33. The colored blur is a barge making its way upstream.

Old ways sometimes better

Tower Rock whirlpool full moon 07-22-2013_7338Because HDR merges photos taken slight intervals apart, sometimes you lose nice detail that is moving. This single frame shows the whirlpool south of Tower Rock starting to form. You can just barely make out the swirl. I zoomed to 55mm and set the ISO to 200. The exposure was 15 seconds @f/4. I overexposed by two stops.

Boat with HDR

Full moon off Tower Rock 07-22-2013 7372-7374_HDR2I’m not overly excited by this HDR shot of a towboat that conveniently paused across from us for some time.

Boat without HDR

Tow off Tower Rock full moon 07-22-2013_7374This is a single frame from the sequence that made up the vertical photo above. I cropped it tighter (just a little bit too tight at the top) and turned it into a horizontal. I find the moon less interesting than the idea of a pilot feeling his way up the Mississippi like pilots have been doing since the days when travelers were first devoured by the demons inhabiting Tower Rock.

Now that I’ve been exposed to HDR, I’ll use it like a torque wrench: something nice to have, but not a tool I grab every day.

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