apertures

the telescope uses apertures to gather light.

the camera's apertures allow you to control the amount of light entering the lens.

the building features numerous small apertures for ventilation.

the artist used different sized apertures to create a variety of effects in the photograph.

the iris controls the size of the pupil, which is an aperture in the eye.

larger apertures allow more light to enter, resulting in a brighter image.

the photographer adjusted the aperture to capture the perfect exposure.

apertures in lenses can be measured in f-stops.

the ancient city walls had numerous apertures for archers to shoot through.

the microscope uses small apertures to focus the light beam onto the specimen.