20.4mm Optical Glass Eyepiece Reticle Microscope Ocular Micrometer Slides

Microscope Eyepiece Reticle Holder Micrometer Fixing Bracket 20.4mm CX21/22/31

Microscope Eyepiece Micrometer Reticle Measuring Micrometer Calibration Ruler

Microscope Glass Reticle Round 21mm Two Squares For 23.3mm Eyepiece AO 481

Microscope Eyepiece Ocular Micrometer/Reticle Net Micrometer Disc With Orig.Case

WF10x Measuring Eyepiece, Reticle Graticule Eyepiece for Biological Microscopes

MICROSCOPE EYEPIECE ACCESSORY CAMERA ADAPTERS SCOPETRONIX LOT USED

WF10x Measuring Eyepiece, Reticle Graticule Eyepiece for Biological Microscopes