Reticle Grid 15mm Squares 400 Total

KR-483 glass eyepiece reticle. Grid 15mm x 15mm. 400 squares total (20 x 20) 0.75mm squares. With numbers and letters 0-20 and A - T. Diagonal equals 21.21mm. Available in a variety of diameters, select below when ordering.

Each Square = 0.75mm x 0.75mm 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+/-0.2mm
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.