Reticle Grid 0.020 Inch Squares 100 Total Labeled

KR-460 glass eyepiece reticle. Grid 0.200" x 0.200". 100 squares total (10x10). Diagonal = 0.28". Labeled with letters horizontal (A-J) and numbers vertical (1-10). Available in a variety of diameters, select below when ordering.

Each Square = 0.020" when using 1x objective
Lines: Chrome deposition
Chamfer: 0.010" - 0.020"
Flatness: 2 waves or better
Centering: Within 0.005"
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.