Stock photography, photos: Camera Obscura and Rocks, SF, CA Stock photos of Camera Obscura and Rocks on San Francisco Bay, San Francisco, California Photograph: © Bernard Epstein Click for a larger image and more information Keywords associated with this stock photo: North America, America, United States, US, USA, California, San Francisco, tourism, tourist, attraction, vacation, holiday, rocks, camera obscura, Giant Camera, Seal Rocks, Point Lobos, Bernie Epstein