A decommissioned coastal fortification (circa 1900) on the Golden Gate Strait protecting the entrance of San Francisco Bay.

This photo was taken by a Zenza Bronica S2 medium format film camera with a Zenzanon 1:3.5 f=150mm lens and Kowa L39 3C(UV) ø67 filter using Kodak T_MAX400 film, the negative scanned by an Epson Perfection V600 and digitally rendered with Photoshop