A 6-stop neutral density filter (ND64) cuts light by a factor of 64. It's typically used for silky water in daylight and gentle cloud motion.
Find your exposure in the chart, or use the calculator with your metered shutter speed.
6-stop ND exposure chart
| Without filter | With 6-stop ND (ND64) |
|---|---|
| 1/8000 s | 1/125 s |
| 1/4000 s | 1/62 s |
| 1/2000 s | 1/31 s |
| 1/1000 s | 1/16 s |
| 1/500 s | 1/8 s |
| 1/250 s | 1/4 s |
| 1/125 s | 1/2 s |
| 1/60 s | 1.1 s |
| 1/30 s | 2.1 s |
| 1/15 s | 4.3 s |
| 1/8 s | 8.0 s |
| 1/4 s | 16 s |
| 1/2 s | 32 s |
| 1 s | 1 min 4 s |
| 2 s | 2 min 8 s |
| 4 s | 4 min 16 s |
Filter factor 64×, optical density 1.8.
Other strengths
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