Reticle 10 Concentric Circles 3mm - 30mm

KR-536 Concentric circles reticle (10 circles) with diameters equal 3mm - 30mm with crossline. Numbered 1-10. 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: 3mm, 6mm, 9mm, 12mm, 15mm, 18mm, 21mm, 24mm, 27mm, 30mm
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.