Reticle 30 Concentric Circles 1mm - 30mm

KR-537 Concentric circles reticle (30 circles) with diameters equal 1mm - 30mm with crossline. Numbered 2, 4, 6 - 30 every 2nd circle. Learn how to make accurate measurements when using your reticle here and learn about calibrating your microscope here. Reticle is available in a number of different diameters, select below when ordering.


Diameters: 2mm, 4mm....30mm every 2nd circle
Lines: Chrome deposition
Chamfer: 0.010" - 0.020"
Flatness: 2 waves or better
Centering: Within 0.005"
Tolerances: Unless otherwise stated +/-0.0002" (+/-5 microns)
Glass Thickness: 1.5mm+/-0.2mm
Surface Quality: 20/10
Parallelism: 2 min.

NOTE: This is a special order product. Please allow 2-3 weeks for delivery. This item is not returnable.