Reticle 17 Concentric Circles 0.10 - 0.170 Inch for 3x Objective

KR-523 Concentric circles reticle (17 circles) with diameters equal 0.010" - 0.170" when using a 3x objective lens. Actual values = 0.030" - 0.50". With crossline, numbered 5, 10, 15 every 5th circle. 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: 0.010" - 0.170" when using 3x objective. Actual values = 0.030" - 0.500"
• 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.