Aperture

/ˈæpət‍ʃɐ/

/ˈæpɝtʃɝ/

Aperture

the opening in a camera's lens that controls the amount of light that enters the camera and reaches the sensor or film

an man-made opening; usually small

a natural opening in something

Examples

1. So apertures are really important.

2. Inadequate fusion of sensor information, shortfalls in the performance distributed aperture system.

3. So another item of interest at least to me on this gun the rear sight was actually an aperture.

4. Now, these apertures have different diameters.