Product Reviews and Endorsements Haida “Clear Night” Filter Review – by Steven Morris Haida 150 Filter System - Review by Daniel Gangur Haida 15 Stop - Review by Grant McIntyre Haida NanoPro Filter Test for ND 3.0, ND1.8 and GND 0.9 - Review by photographer Nicholas Alexander Otto from Germany Haida 150 Series - Review by German photographer Bastion Werner NanoPro ND3.0 1000x - Review by Italian photographer Tommaso di Donato 100-Pro Holder - Reveiw by Grant McIntyre NanoPro Filters - Review by Grant McIntyre