NS100 Neutral Density Swatch Filter Kit The portable NS100 makes it easy to solve applications on-site, and includes all MidOpt Visible Neutral Density Filters. This MidOpt Filter Kit allows you to: See the effects of stacked ND filters to test various optical densities Reduce light intensity in the visible spectrum without affecting color and contrast Test in both monochrome or color applications Solve applications quickly Kit Includes: QR code to link filter specifications Larger size 43mm diameter filters Filter transmission curve ND030 Absorptive Neutral Density Filter | 50% Transmission ND060 Absorptive Neutral Density Filter | 25% Transmission ND090 Absorptive Neutral Density Filter | 12.5% Transmission ND120 Absorptive Neutral Density Filter| 6.25% Transmission ND200 Absorptive Neutral Density Filter | 1.0 % Transmission ND300 Absorptive Neutral Density Filter | 0.1% Transmission ND400 Absorptive Neutral Density Filter | 0.01 % Transmission Production filters have a higher surface quality spec than filters included in the NS100. Surface quality of filters in the NS100 is better than 60/40.