Haida Optical Series 150 3 ND neutral density filter set consisting of 3 different ND filters in the size 150 mm x 150 mm - ND0.9 (8x) / ND1.8 (64x) / ND3.0 (1000x) (Electronics)
The color reproduction of the filter absolutely one of the best that I have tested in the filter size 150x150mm. This is true regardless of the price. What I did not quite like is that the filter has a 64x higher than the specified filter factor, the
