iPhone 6s
ƒ/2.2
4.15 mm
1/416
25
The ball lens slowly advances upward over time… focusing the sunlight to burn daily stripes in a 12′ tall log. Each line records the level of sunlight or shade for the day.
2 responses to “Solar Totems in Noe Valley”
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This is a brilliantly elegant design by artist Charles Sowers for the SF Arts Commission (he has also done installations at the Exploratorium). More on him and this work (planning, design, completion) here: charlessowers.com/solar-totems
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