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Prison Roost in San Francisco, California

Prison Roost in San Francisco, California
A gull sits on the ruins of an Alcatraz wall.
Taken in San Francisco, California on Jun 26, 2010
Keywords Alcatraz the rock gull
Category Birds Trips
Camera
Canon EOS 7D
Lens
EF70-200mm f/4L IS USM
Aperture
F14
ISO
400
Focal length
200.0 mm
Program type
Shutter speed
1/128 sec
Exposure bias
0
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Modified last on 2026-08-24