#38-536 - 2μm Aperture Diameter, Unmounted, Precision Pinhole
205.80 S$205.80
#53-906 - Zero Aperture, 12mm Max. Aperture, Iris Diaphragm
79.80 S$79.80
#63-941 - 6mm Diameter, S-Mount Thin Optic Mount
57.05 S$57.05
#63-955 - 5mm Length, S-Mount Extension Tube
37.80 S$37.80