# Lightmeter Pro ### Equipment profiles Each equipment profile allows you to select: - Aperture values and shutter speeds, that your lens and camera have - ND filters, that fit the chosen lens - ISO values, that your camera supports Creating multiple profiles for different cameras and lenses allows you to easily switch between them and always have the relevant readings. ### Films in use Select the films that you usually use. Selecting one will apply a correction to shutter speeds greater than 1" to compensate for the reciprocity failure. Each equipment profile allows you to select:\n- Aperture values and shutter speeds, that your lens and camera have\n- ND filters, that fit the chosen lens\n- ISO values, that your camera supports\nCreating multiple profiles for different cameras and lenses allows you to easily switch between them and always have the relevant readings!