Which Neutral Density Filter To — Buy
: High densities can cause an "X-pattern" (cross-polarization) or color shifts.
: These have one set level of light reduction (e.g., 6-stop or 10-stop). which neutral density filter to buy
: You must physically swap filters to change exposure, which is slower. 2. Determine Your Needed "Stops" (Darkness) ND Filters: The Only Guide You'll Ever Need which neutral density filter to buy