Vignetting
 |  |
| Standard image. | Severe vignetting. |
The gradual reduction of image illuminance with an increasing off-axis angle, resulting from limitations of the clear apertures of elements within an optical system.
Subjects: Optics
| |
| Standard image. | Severe vignetting. |
The gradual reduction of image illuminance with an increasing off-axis angle, resulting from limitations of the clear apertures of elements within an optical system.
Subjects: Optics