Reticle 23 Concentric Circles 0.2mm - 4.6mm for 3x Objective

KR-522 Concentric circles reticle (23 circles) with diameters equal 0.2mm through 4.6mm when using a 3x objective lens. Actual values = 0.6mm - 13.8mm. With crossline, every 5th line dashed. Numbered 1, 2, 3, 4, 4.6. 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: 0.2mm - 4.6mm when using 3x objective. Actual values = 0.6mm - 13.8mm
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+/-0.1mm
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.