Tcoptik ND Filter for Sale
ND Filter allows all wavelengths to pass through equally. Neutral density(ND) filters are categorized by their optical densitywhich is defined as the logarithm to the base 10 of the reciprocal of the transmittance. And we provide many... moreND Filter for Sale
ND Filter allows all wavelengths to pass through equally. Neutral density(ND) filters are categorized by their optical densitywhich is defined as the logarithm to the base 10 of the reciprocal of the transmittance. And we provide many types of neutral density filters. #neutral#density#filter#meaning https://www.tcoptik.com/products/nd-filter.htmlless