Filters, mounted optical filters for cameras, microscopes and instruments, including UV, polarising, neutral density and colour filters in threaded rings.

State filter diameter, thread pitch, density or polarisation type, and pack each in a hard case or sleeve to avoid scratches. Optical and photographic goods are fragile and precision-made: pack in individual sleeves with foam, state specifications (focal length, aperture, magnification, resolution), provide CE/FCC/BIS marks for electronic cameras, keep lithium batteries under dangerous goods rules, and expect customs value checks on branded cameras.