Although print size and viewing distance are important factors which influence how large the circle of confusion appears to our eyes, aperture and focal distance are the two main factors that determine how big the circle of confusion will be on your camera's sensor. Larger apertures (smaller F-stop number) and closer focal distances produce a shallower depth of field. The following depth of field test was taken with the same focus distance and a 200 mm lens (320 mm field of view on a 35 mm camera), but with various apertures:
 |  |  |
| f/8.0 | f/5.6 | f/2.8 |
No comments:
Post a Comment