Set of 3 stackable ND (Neutral Density) filters in C-mount threaded, stackable holder for use with WinCamD, BladeCam, and TaperCamD-UCD12 cameras. Includes ND 1, 2, 3. Includes caps with alignment targets. Will not fit TaperCamD20-15-UCD23 cameras. Filters are mounted at 3° to axis.
ND value specified at 546 nm. See charts for ND filter transmission curves.