样片：（点击图片可查看原图）
1/60 sec | f/5.0 | 40.0 mm | ISO 400
1/200 sec | f/6.3 | 19.0 mm | ISO 100
Dusk - 1/5 sec | f/3.5 | 18.0 mm | ISO 400
1/160 sec | f/5.6 | 55.0 mm | ISO 100
