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Taken from Fort Point in San Francisco, shortly after sunrise, March 2010, Sony A700, Tamron 18-200 at 18mm, ISO 200, f/8, 1/90 sec. Post-processing in Lightroom 3.

The shape taken by a rope, chain or cable hanging under its own weight is called a “catenary.” Suspension bridges are designed so that the main cables remain catenaries when the weight of the bridge is added. As an engineer and wannabe photographer, I like that the repeated catenaries in the chain fence and bridge make up leading lines.

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Ken Craven's picture
Catenaries
Ken Craven  |  May 6, 2014
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Filed Under: Picture This: Echoing Forms 
COMMENTS
Joseph.Bologna's picture
Submitted by Joseph.Bologna on May 8, 2014 - 6:35am

This iconic bridge tends to be overdone,but you have given it a wonderful new perspective with the foreground in play,as well as an engineering lesson.Nice presentation. Joe B.

Joseph.Bologna's picture
Submitted by Joseph.Bologna on May 8, 2014 - 6:35am

This iconic bridge tends to be overdone,but you have given it a wonderful new perspective with the foreground in play,as well as an engineering lesson.Nice presentation. Joe B.

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