Cokin nuances lightcatcher mineral glass filters redefine neutrality in neutral density nd filters cokin have developed a new coating process to ensure uniform coloration a nano metallic alloy is applied on both sides of tempered schott glass b270 renown for its high transmittance and low reflection the result is stunning neutrality completely free of infrared pollution if required multiple nuances filters can be stacked without colour cast nuances filters are dedicated to long exposur