3710 miles, 4 days at the Social Media Summit, 3 deep dish pizzas, 2GB of images and 1 conference presentation later I’m back home. Chicago was great, but nothing beats being home in San Francisco. Trip photo highlights to be posted soon.
A few days ago my wife came back from Starbucks and on her cup of coffee was sleeve with an advertisement for the new GMC Acadia. “Welcome to Acadia. The crossover from GMC” Like most people I didn’t think much of this at first. After all we’re bombarded with tons of marketing messages everyday and most of us have learned to filter much of this out. Except on this day I also passed a GMC Denal
The sixth episode of EXIF and Beyond has been released. This is video podcast and can be viewed or downloaded via iTunes: EXIF and Beyond: Wildlife Photography In The Arctic Photographing wildlife in the Arctic National Wildlife Refuge (ANWR). An amazing glimpse into the United States most beautiful and controversial wilderness areas. (Part II of II) For the non-iTune listeners a streaming version of this podcast can
This weekend in San Francisco was one of the whackier events, Bring Your Own Big Wheel (BYOBW). The curviest street, Lombard Street, is shut down for 1 hour so daredevils can take their fate into their own hands by riding down on plastic wheeled tricycles. No rubber wheeled vehicles are allowed at any time. This year thousands were in attendance and hundreds took part. My only regret was not finding a Big Wheel in ti
“Depth of field (DOF) is the distance in front of and beyond the subject that appears to be in focus. There is only one distance at which a subject is precisely in focus, but focus falls off gradually on either side of that distance, and there is a region in which the blurring is imperceptible under normal viewing conditions.” – Wikipedia DOF field varies with aperture, from shallow at wide aperture
Another shot of the Bridal Veil Ravens from a slightly different vantage point. As previously noted: “Surely one would think the locals would get tired of the view in Yosemite, but on this very cold morning that didn’t seem to be the case. Perched from a lookout I spied a pair of ravens in a much better position to enjoy the distant view of Bridal Veil Fall. All components of this image have been compressed t
“the f-number (sometimes called focal ratio, f-ratio, or relative aperture[1]) of an optical system expresses the diameter of the entrance pupil in terms of the effective focal length of the lens. It is the quantitative measure of lens speed, an important concept in photography” – Wikipedia In other words, the f-stop is the ratio of lens focal length to the effective aperture open diameter. Each f-s
This was a huge week for environmental news. U.S. Supreme Court Rules in its first case on climate change, that carbon dioxide and other greenhouse gases are air pollutants under the Clean Air Act —– U.S. Supreme Court deals a setback to the utility industry, supporting a Clinton era, federal clean air initiative aimed at forcing power companies to install pollution control equipment on aging coal-fired p