The ND filter calculator from VFFOTO is an indispensable tool for all photographers who work with long exposures and ND filters. This app helps you quickly and accurately calculate the correct exposure time when using ND filters.
Key features:

Easy exposure time calculation: Select the ND filter used and enter the shutter speed without the filter. The application immediately calculates the correct exposure time with the filter.
Multiple filter support: Option to add a second filter for more accurate calculations when using a combination of filters.
Fine-tune the exposure: Adjust the calculated time by up to 30% with the slider for perfect results.
Save favorite settings: Save frequently used combinations of filters and settings for quick access.
Built-in timer: Switch to countdown screen for accurate metering of long exposures.
Day and Night Mode: Switch between day and night mode for comfortable use in all lighting conditions.
Sound notification: An optional sound signal announces the end of the exposure.
Support for various types of filters: The application includes a wide range of ND filters, including CPL and Night Sky filters.
Filter Information: Contains useful information about the different types of VFFOTO photo filters.

Whether you're a professional photographer or a keen amateur, the ND filter calculator will help you achieve perfect long exposures. Developed by experts from VFFOTO, a Czech manufacturer of professional photographic filters, for maximum accuracy and user-friendliness.
Download the ND filter calculator today and take your long exposures to the next level!