ND Filter Timer

Calculate exposure and set a timer while using a neutral density filter

Simple calculator and timer app for DSLR photographers taking long exposure shots using Neutral Density filters.

Select the shutter speed applicable without the filter then select the filter you intend on using. The shutter speed you will then need to use will be displayed, the timer will be available if it is 4 seconds or longer.

Current features:

- Shutter speeds 1/8000 to 30 seconds at 1/3 stop intervals

- Single 1 to 16 F-stop and ND400 filters supported

- Timer complete notifications supported on Android Wear devices

If you have any problems, experience any bugs or would like to make any suggestions, please send me an email.