“It’s not easy to test the absolute focus accuracy of a camera due to depth-of-field, the image looks sharp enough within the DOF range. Here I’ll introduce a simple focus accuracy test method which is easy enough for everybody using a test chart with the aid of depth-of-field calculator, the following websites have such DOF calculator on-line…”
posted in Photography | Permalink | Comments Off
“This website lists and explains every idea generation method I’ve encountered during the past 15 years. It is the result of extensive research; my many sources include books, management journals, websites, academics, consultants and colleagues. The methods have been drawn not just from the worlds of creative problem solving and innovation, but also from other worlds such as organisational change, strategic planning, psychotherapy, the new sciences and the creative arts.”
posted in Creativity | Permalink | Comments Off
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