Concentric Circle Reticles

KR-509 Concentric circles reticle (3 circles) with diameters equal 0.005", 0.010", and 0.015" with crossline. No numbers. Learn how to make accurate measurements when using your reticle here and learn about calibrating your microscope here. Reticle is...

KR-507 Concentric circles reticle (10 circles) with diameters equal 0.020" - 0.200" with crossline. Numbered 1-10. Learn how to make accurate measurements when using your reticle here and learn about calibrating your microscope here. Reticle is available...

KR-506 Concentric circles reticle (19 circles) with diameters equal 0.020" - 0.200" in 0.010" increments with crossline. No numbers. Learn how to make accurate measurements when using your reticle here and learn about calibrating your microscope here...

KR-505 Concentric circles reticle (10 circles) with diameters equal 2mm through 20mm with crossline. Numbered 1-10. Learn how to make accurate measurements when using your reticle here and learn about calibrating your microscope here. Reticle is...

KR-504 Concentric circles reticle (30 circles) with diameters equal 0.010" through 0.300" with crossline. Numbered 2, 4, 6.....30 every 2nd line. Learn how to make accurate measurements when using your reticle here and learn about calibrating your...

KR-503 Concentric circles reticle (10 circles) with diameters equal 0.25mm through 2.5mm with crossline. No numbers. Learn how to make accurate measurements when using your reticle here and learn about calibrating your microscope here. Reticle is...

KR-501 Concentric circles reticle (10 circles) with diameters equal 1mm through 10mm with crossline. Numbered 1 - 10. Learn how to make accurate measurements when using your reticle here and learn about calibrating your microscope here. Reticle is...