The Cokin Filter A216 Speed adds streaks of light to your images. This creates the illusion that something is moving at high speed. The beauty of this is that the subject itself can remain stationary.
When using the A216 filter, part of the image appears to be in motion while the rest is given a blur so that it looks as if it is racing by. It is advisable not to stop your aperture too far down otherwise you will see the filter itself rather than the intended effec