Question: A camera has a circular aperture immediately behind the lens. Reducing the aperture diameter to half its initial value will A. Make the image blurry.

A camera has a circular aperture immediately behind the lens. Reducing the aperture diameter to half its initial value will
A. Make the image blurry.
B. Cut off the outer half of the image and leave the inner half unchanged.
C. Make the image less bright.
D. All the above.
Explain your choice.

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