SINGLE ND FILTER

Helpful tool for the most common case of one Neutral density filter used. Select the filter your are using and the initial exposure time and get the exposure time with ND filter applied.

INSTANT RESULT

See instant result when you change parameters

YOUR FAVORITE FILTERS

All the filters from your Equipment appear in the list

FILTER ADJUSTMENT

Extra adjust your filter stops

PREDEFINED GENERIC FILTERS

We've added ten predefined generic filters for you to start with

STACK ND FILTERS

If you are using more than one ND filter at a time, Stack ND filters calculator is exactly what you need. Use Add/Remove buttons to alter the number of filters you want to use.

INSTANT RESULT

See instant result when you change parameters

BUILT-IN TIMER

Run the timer and get notified when it is done!

UP TO 3 FILTERS

You can add up to three ND filters for your shot

TUTORIAL

Watch this short tutorial to see the ND calculators in action!