Long pass filter in C-mount threaded, stackable holder for use with WinCamD, BladeCam, and TaperCamD-UCD12 cameras. Includes cap with alignment target. Will not fit TaperCamD20-15-UCD23 cameras. Filter is mounted at 3° to axis. Blocks wavelengths below 1290 nm. Allows camera use at 1290 to 1350 nm. See charts for filter transmission curves.