2.70 1/30 s	5.60 1/180 s	5.60 1/250 s	2.70 1/125 s

5.60 1/250 s	5.60 1/1000 s	5.60 1/350 s	2.70 1/250 s

2.70 1/125 s	2.70 1/180 s

sunny.b production