Aperture priority ( a - mode ) aperture selectable in 12 ev or 13 ev increments , shutter speed from 112000 to 30 sec . set by autoexposure program 光圈每次可作12ev或13ev增减；自动曝光程式会在112 , 000至30秒快门速度范围内设定合适的快门速度
2.
Shutter speed from 112 , 000 to 30 sec . manually selectable in 12 ev or 13 ev increments , aperture set by autoexposure program manual exposure ( m - mode ) 可以在112 , 000秒至30秒的快门速度范围内手动选择快门速度，每次以12ev或13ev增减；自动曝光程式会自动设定光圈值
