Internet Depth of Field

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1. This one was taken with a large aperture and the photographer was probably close to the subject.
2. This was also a large aperture.
3. This was also a large aperture, and photographer may have been close to subject.
4. This was taken with small aperture, and not close to subject.
5. This was a small aperture, and maybe a wide angle lens.
6. This was a small aperture for depth but may have been adjusted for lighting.