Reticle 30 Concentric Circles 0.020 - 0.600 Inch

KR-525 Concentric circles reticle (30 circles) with diameters equal 0.020" - 0.600" with crossline, each 0.02" per diameter. Numbered 2, 4, 6, through 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: 0.020" - 0.600"
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.