aperture priority

Useful when depth of field is the thing you care about — a detail or ramp shot — and risky on a moving aircraft, because the camera is free to pick a shutter speed too slow to freeze it. Most aviation work sits in shutter priority instead.

Nearby in Photography

• aperture — The adjustable opening in a lens that controls how much light reaches the sensor, expressed as an f-number.
• autofocus — Automatic focusing, driven by the camera's detection of contrast or phase differences in the scene.
• back-lit — Lit from behind, with the light source on the far side of the subject from the camera.
• blue hour — The twilight period before sunrise and after sunset when the sky is deeply and evenly blue.