A while ago I tested some Graduated filters from the new Slovakian brand Ray Masters. This 'hands-on' review can be read HERE. They recently sent me a beta version of their ND1000 (100x100 square) filter, which is still in production for testing and developing purposes. I was asked to test the ND1000 (10 stop) beta filter from Ray Masters. This is a quick comparison test with the Haida ND1000 square that I consider one of my best 10 stop filters. I used a scene out of Yosemit