Reticle 2 Concentric Squares 10mm and 20mm

KR-849 glass eyepiece reticle. Two concentric squares 10mm and 20mm per side. Diagonal for 10mm square is 14.14mm. Diagonal for 20mm square is 28.28mm. Reticles are available in a variety of diameters, select below when ordering.

Squares: 10mm and 20mm per side with 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.