Base Exposure without Filters	6-Stop ND Filter	10-Stop ND Filter
1/8000	1/125	1/8
1/4000	1/60	1/4
1/2000	1/30	1/2
1/1000	1/15	1
1/500	1/8	2
1/250	1/4	4
1/125	1/2	8
1/60	1	15
1/30	2	30
1/15	4	60 (1 min)
1/8	8	120 (2 min)
1/4	15	240 (4 min)
1/2	30	480 (8 min)
1	60 (1 min)	900 (15 min)
2	120 (2 min)	1800 (30 min)
4	240 (4 min)	3600 (1 hr)
8	480 (8 min)	7200 (2 hrs)
15	900 (15 min)	14400 (4 hrs)
30	1800 (30 min)	28800 (8 hrs)
1 min	3600 (1 hr)	57600 (16 hrs)
Created for you by Ilya Genkin Photography