Reticle Radii of Curvature 5/64 - 25/64 Inch for 3x Objective

KR-528 Radii of curvature - 5/64 - 25/64 in 1/64 increments at 3x objective lens. Numbered every 5th curvature - 5/32, 15/64, 5/16 and 25/64. 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.


Radii of curvature: 5/64, 5/32, 15/64, 5/16, 25/64
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.