Reticle 12 Concentric Circles 0.06 - 0.72 Inch

KR-515 Concentric circles reticle (12 circles) with diameters equal 0.060" - 0.720" with crossline. Numbered 1-12. 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.

• Diameters: 0.06", 0.12", 0.18", 0.24", 0.30", 0.36", 0.42", 0.48", 0.54", 0.60", 0.66", 0.72"
• 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+/-0.1mm
• 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.