Materials Lab Sample Preparation / Microscope Measuring Please contact MMS Microscopes for further information on Met Lab microscopy preparation solutions here – Contact Form Materials Laboratory Wheel Grinder / Polisher – Saphir 520 Met Lab – Saphir 250 M1 Materials Laboratory Manual sample grinder & polisher Scanning Stages For Microscopes Met Lab microscope sample mounting Opal 410 Microscope Stage Micrometer Calibration standards £110.00 – £119.00 Microscope counting chambers, eyepiece graticules & calibration stage micrometers £49.00 – £130.00