Shutter speed 1.3 seconds is too slow for video. The first image is almost 5 stop too slow. So maybe you should try F11 1/30s ISO3200 to test before you shoot video. Then maybe you need a different ND filter.
【在 k******a 的大作中提到】 : Shutter speed 1.3 seconds is too slow for video. The first image is almost 5 : stop too slow. So maybe you should try F11 1/30s ISO3200 to test before you : shoot video. Then maybe you need a different ND filter.
k*a
17 楼
1/10 second (or even faster) is enough to "把水化掉", long exposure has other problems such as noise.