Reticle Whipple 10mm Squares 100 Total Labeled

KR-4402 glass eyepiece reticle whipple. Whipple 10mm x 10mm. 100 squares total (10 x 10). One square subdivided into 4 squares with numbers and letters. Diagonal equals 14.14mm. Available in a variety of diameters, select below when ordering.

Each Large Square: 1mm x 1mm when using 1x objective
Each Small Square: 0.5mm x 0.5mm 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.