This is a video demo of how to use and hold graduated neutral density filter (ND filter) by Adam Barker. Adam also demoed the use of Singh-Ray’s Gold-N-Blue polarizer. It is amazing how a lifeless scene looks magical with the filters. Check it out!
For interested users, you may want to check the flickr group Singh-Ray Gold ‘n’ Blue Polariser for more photos.
Keywords: Graduated neutral density filter, ND filter