Probably Olympus Stage Plate 34685

Probably Olympus Stage Plate 34684

Olympus Stereo Microscope Stage Transparent Board ,Glass Round Plate.(100mm)

100mm Opaque Specimen Stage Plate White / Black fits Olympus Stereo Microscopes

Olympus Inverted Stage Plate 3D Printed 2cm Hole IMT2 IX71 IX Microscope

Probably Olympus P MH Glass Plate 34687

Olympus Stage Micrometer with Case

Olympus SZ2-SPBW Zoom Stereo Microscope Stage Plate ESD Safe On Black, ø3.72in