27mm Dia., Metric Circle Crosshair, Contact Reticle

Product Details Specifications General Type: Crosshair with Concentric Circles System of Measurement: Metric Pattern Type: 10 Concentric Circles Centered on Crosshairs in 0 to 10 mm in 1mm increments Physical & Mechanical Properties Diameter (mm): 27.00 ±0.05 Thickness (mm): 2.28 ±0.127 Line to Line Accuracy (μm): ±2 Parallelism (arcsec): <30 Centering (mm): 0.25 Line Thickness (μm): 25.00 Line Thickness Tolerance (μm): ±13 Pattern Diameter (mm): 10 Optical Properties Angle Tolerance (arcsec): ±1 Surface Quality: 60-40 Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More Glass Surface Flatness (P-V): 3 - 4λ Regulatory Compliance RoHS 2015: Compliant × Certificate of Conformance: View × Reach 240: Compliant ×