Nikon Trinocular Microscope Head with Photo Tube - Made in Japan - Serial 164690

Nikon 35675 Microscope Camera Port Photo Tube Vertical Attachment

Nikon 3514 Microscope Camera Port Photo Tube Vertical Attachment

MICROSCOPE PART NIKON DIAPHRAGM PHOTO TUBE OPTICS

Nikon Microscope SMZ-U Photo Port Tube Attachment

Nikon Microscope Dual Head Lab Extension Tube Arm with Binocular Eyepieces

Nikon Microscope Photo Tube SM 42mm Lower Tube 44mm Upper Threads 85mm Tall Nice

Nikon Binocular Microscope Observation Tube