By greatly extending exposure times the Big Stopper blurs anything that is moving in your image, for example clouds, waterfalls, rivers, and the sea.
The filter can also be used on cityscapes to blur people or on roads and motorways to blur traffic.
Formatt Hitech 100mm Neutral Density Grad.Neutral density (or ND) filters produce a grey neutral tone and are used in photography to reduce light, enabling more control over exposure and depth of field .
The new Super Stopper works well in harsh midday sunlight - traditionally considered an unfavourable time to shoot. However, with this filter the softness that arises from any movement contrasts pleasingly with areas of bright light, creating an effect rarely seen before now.