题目内容

The greater the value of f, the () actual clear aperture

A. Smaller
Bigger
C. constant
D. do not know

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The larger the aperture, the shallower the depth of field

The shutter generally consists of two parts, the front curtain and the rear curtain

The faster the shutter speed relative to the moving object, the more （）the moving object is.

A. Bright
B. blurry
Clear
D. dim

The shutter speed determines the clarity or blur of moving objects in the photo