Generic 3-position Microscope Objective Nosepiece

Zeiss Invertoscope Microscope/Parts 5 Position Objective Turret Nosepiece Invert

Leitz SM-Lux 020 Microscope/Parts 5 Position Objective Turret Nosepiece

Nikon Eclipse E800 6-Position Objective Nosepiece Turret

Microscope objective adapter rings M25 M26 M27 M32 RMS objective extension rings

Olympus Microscope Objective Turret Nosepiece - 6 Position

Generic/Unknown 20X/0.40 Microscope Objective Lenses 160/.17

Generic/Unknown 20X/0.40 Microscope Objective Lenses 160/.17 4