<--- Back to Details
| First Page | Document Content | |
|---|---|---|
 Date: 2006-03-23 10:56:04Camera lens Aperture F-number Helios Optics Science of photography Geometrical optics |
| First Page | Document Content | |
|---|---|---|
Date: 2006-03-23 10:56:04Camera lens Aperture F-number Helios Optics Science of photography Geometrical optics |
