Many are high-dynamic range (HDR) renderings -- single images reflecting slightly surreal tones as a result of the melding of two or more images of the same scene taken in quick succession, each with a slightly different exposure. In the case of Saturday, I bracketed my exposures at -2/3 (darkest), 0 (normal) and +2/3 (brightest) stop intervals. I'll indicate which are HDR shots, although maybe you'll recognize them instantly, given the volume of HDR photos I've presented in Photo Potpourri since I first indulged in HDR a year and a half ago.
Under normal circumstances, you mount the camera on a tripod when photographing scenes to process in HDR software. The precaution is a reliable safeguard against any camera shake or movement as the camera records the three bracketed frames. But on days like Saturday, when you don't want to lug around a tripod for 12 hours, it's handy to have a lens like the year-old Tamron 18-270mm f/3.5-6.3 Di II PZD VC, whose vibration compensation (the VC) technology has enabled users to enjoy a high incidence of success capturing steady images for HDR while hand-holding the camera. Adding to the safeguarding for hand-holding my HDR shots was the Canon 7D's 8.3 fps (frames per second) burst rate. I set the burst at its highest performance mode. So combined with a high enough shutter speed, those hand-held bracketed shots are recorded in no time ... less than a second.
Except for the early-morning images at Sodalis Nature Park, where I did use a tripod (and my Canon EF 24-70mm f/2.8L lens) for the pitch-dark start of the ultramarathon at 5 a.m. and for a while thereafter, all of my HDR shots Saturday were hand-held using the Tamron lens.
Leading off the post is a shot composed about 5:50 a.m. at Sodalis -- 20 minutes before sunrise -- using the Canon 24-70mm lens set at 46mm on a tripod. It is not an HDR shot; it was taken at f/2.8, 2.5 seconds at ISO-800. This fisherman probably was confounded by the beehive of activity there at time, as more and more people filed into the park, he moved more and more to the left to be out of people's way.
A full gallery of race-only pictures is now available at my smugmug.com site.
You can all cheer; this is the last post I have planned for my shots at the Park2Park. :-)
Above: Another shot at Sodalis, this time using the pond as sole subject. I've been told that with water reflection shots, you should compose or drastically eliminate the lion's share of the source object or go without it altogether -- in this case, the real trees -- to enhance focal attention on the reflection. I felt that if I did that here, I'd lose that beautiful arc in the center, and I didn't want to do that. This is an HDR composition.
Above and next two below: Hummel Park in Plainfield was a the second exchange station on Saturday's 64.5-mile course, but there also was a fitness fair going on. In fact, moments after I arrived, two gals led a large group in a Zumba routine. I tried shooting this from the front, but the sun was right in my eyes. That's why the shots below are from the back.
Above and below: Two views of the bridge spanning White Lick Creek in Hummel Park. The one above was taken from the east side, looking west. Below, an HDR rendering, from the west side looking east.
Above and next two below: Shots from a cemetery catty-corner from White Lick Presbyterian Church. All three are HDR renderings. In the case of the monument closeup below, those white specks you see in the background isn't sensor dirt; it's the sunlight highlighting specks of foliage in background bokeh.
Above: A look at the grassy ravine and footpath below the rust-colored steel bridge in McCloud Nature Park.
Above and below: Above is a gravel path along the west side of McCloud. The turn in the foreground leads immediately to the rust-colored bridge (below), a view that looks east. Once runners cross the bridge, they turn right (south) to do a double-back segment whose hairpin return point is the park's southern-most border. On the northbound return trip, they could catch one last glimpse of the bridge by looking left from the slight ridge you see beyond the bridge, where the white path ends. Both of these images are HDR shots.
Above: I heeded this warning, posted in McCloud.
Above: A modest wooden bridge in McCloud in the park's eastern section. This is an HDR shot.
Above and below: Above is one of the birdhouses I came across on the course path in the eastern section of McCloud. It is just outside a layer of brush and trees that buffer the course path from Big Walnut Creek (below). Both of these images are HDR shots.