In Aperture Priority exposure mode, which parameter does the photographer actively control?

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Multiple Choice

In Aperture Priority exposure mode, which parameter does the photographer actively control?

Explanation:
In this mode, you actively control the aperture. Choosing the f-stop determines how much light enters the lens and, importantly, how much depth of field you’ll have in your shot. The camera then automatically selects a shutter speed to achieve proper exposure for the scene given that aperture. White balance handles color temperature and is not part of this exposure control, while ISO affects sensitivity and can be set separately; but the defining active control in Aperture Priority is the aperture you choose.

In this mode, you actively control the aperture. Choosing the f-stop determines how much light enters the lens and, importantly, how much depth of field you’ll have in your shot. The camera then automatically selects a shutter speed to achieve proper exposure for the scene given that aperture. White balance handles color temperature and is not part of this exposure control, while ISO affects sensitivity and can be set separately; but the defining active control in Aperture Priority is the aperture you choose.

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