I recently compared two popular ND filters which included the Singh-Ray Vari-N-Duo (2-8 stop) and the Lee Big Stopper (10 stop) ND filter. The goal of comparing these two filters was to determine their ease of use and effectiveness when shooting in bright sun during the middle of the day. Summary: The shoot took place at a small park with a pond shooting toward the sun at … [Read more...] about ND Filters: Singh-RAY Vari-N-Duo vs Lee Big Stopper