ionbeam
2 FUN
Depth of field is related to f stop which was f3.5 in Wheatie's pictures, the focal length of the lens and the distance from the target. The greater the magnification the shorter the dept of field. A 200mm lens at f8 at 10 feet would have a sharp focus dept of field of 0.73 inches! A 50mm lens at f8 at 10 feet would have a sharp focus dept of field of nearly 5 feet. Most point 'n shoot cameras have very short focal length lenses -- look at the lens and where the CCD is located in the camera. This extremely short focal length gives outstanding dept of field, where you have everything from a few feet away to infinity in focus. With my DSLR loaded with my 200mm lens I could have shot the same scene from in the house and the screen would appear to have disappeared because it would be so far out of the focal range.Actually, was meant as a serious question. That kind of depth of field usually requires a really small aperture, which usually means a lot of light. There didn't seem to be that much ambient light. Maybe the new digitals have more flexibility. At any rate, nice pictures.
The brightness of the pictures is in part due to the camera compensating with a +0.3 EV shift. This would be the equivalent of ~1/30 a second of shutter speed or a change of ~f1.2 aperture.
I took the following two pictures at the Boston Flower Show, same camera, same lens, same distance but with focal length lengthened (and camera rotated). No Photo Chop. At the distance I was standing the last picture had a depth of field of around 9 inches; f5.6; 200mm; 1/15 second; +0.33 EV; ISO 1600. Cage be gone!!!
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