The document lists various nature photography subjects taken by David Martinez, including a house, cats, bees, bugs, plants, flowers, trees, and a tool shed. For each photo, the ISO, f-stop, shutter speed, and lighting conditions are provided, with many using an ISO of 3200 and a shutter speed of 1/1000 under natural lighting. Some plant and insect photos were macro shots with an ISO of 800-1600.