Parts and accessories of microscopes other than optical microscopes and diffraction apparatus, including electron guns, detectors and sample stages.

Give model and part number; use vacuum and ESD packaging. 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 equipment, keep lithium batteries under dangerous goods rules, and expect customs value checks on branded optics.