10 stop exposure reduction allows you to photograph with a wider aperture or slower shutter speed than normally required
To enable slow shutter speeds to be used to record movement of subjects such as waterfalls, clouds, cars, seas, etc.
To decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background
Does not affect the coloration of the image and are ideal for pairing with other filters
Multicoating process suppresses ghosting, flare and reflections, and increases light transmission