Aperture
01
絞り, 開口部
the opening in a camera's lens that controls the amount of light that enters the camera and reaches the sensor or film
例
She widened the aperture to f/1.8 for a blurred background in her portrait.
彼女はポートレートでぼかした背景を得るために絞りをf/1.8に広げた。
02
開口, 開口径
the diameter of an optical diaphragm's opening that determines how wide a cone of light can pass through the instrument
例
The telescope 's 200 mm aperture gave it superior light-gathering power.
その望遠鏡の200mmの口径は、優れた光収集能力を与えた。
03
開口部, 隙間
a hole, gap, or slit in a structure or surface
例
The fox slipped through an aperture in the garden fence.
キツネは庭の柵の開口部から滑り込んだ。
