ND Filter Calculator

Calculate new exposure settings when using ND filters of various densities.

Rate of movement or motion.
sec
Enter the nd filter stops value for this calculation.
stops
Enter the additional stacked nd (stops) value for this calculation.
stops

Results

New Shutter Speed:
Calculated speed or velocity.
-seconds
Formatted Time:
Calculated time or duration.
-
ND Density:
Calculated nd density based on your inputs.
-optical density
Light Transmission:
Calculated light transmission based on your inputs.
-%
Reference: Industry Standards.