Long Exposure Calculator
Calculate exposure times with ND filters for stunning long exposure photography.
Exposure Settings
New Exposure Time
8.2s
With 10-stop ND filter
Conversion Details
Base Exposure1/125s
ND Stops10
ND Density3.0
Light Reduction1024x darker
Effect Guide
1-4 sec: Slight water blur, moving clouds
4-15 sec: Silky water, streaking clouds
15-60 sec: Misty water, dramatic cloud movement
1-5 min: Glass-like water, cloud streaks
5+ min: Ethereal effects, ghost crowds
Tips
- Use a sturdy tripod and remote shutter
- Focus before attaching the ND filter
- Cover the viewfinder to prevent light leaks
- Use Bulb mode for exposures over 30s
- Consider bracketing for best results
- Stack filters for more stops (add stops together)