These stage reticles are intended for the routine calibration of eyepiece patterns, particularly when alternating between objectives on one microscope or when using the same reticle in different microscopes. Their robust construction makes them ideal for student use and for instructional purposes. The scale or grid is centred on a glass disc mounted in a black anodised aluminium slide 76mm x 25mm x 1.5mm thick.

Line width: 0.001mm

Accuracy (overall): <0.00005"