Nikon E2-TB Siedentopf-Type Binocular Observation Tube for E-Series Microscopes

Nikon E2-TB Microscope Binocular Tube Eclipse & i Series E400 E200 i50 E600

Nikon Microscope Binocular Head E2-TB for Eclipse E200 (001)

Nikon Microscope Binocular Head E2-TB for Eclipse E200 (002)

NIKON E2-TB BINOCULAR MICROSCOPE HEAD FOR ECLIPSE E200/E100

Nikon E2-TB Microscope Binocular Tube (E200, E200POL, E100) - Read Description

(3) Nikon E2-TB Microscope Heads (No Eyepieces) Binocular Tube