Concentric Circle Reticles

21mm Dia. Contact Reticle, English Circle Crosshair -- NT39-452
from Edmund Optics Inc.

These glass reticles offer greater stability than film reticles which can bend, warp, and easily be damaged. Patterns are low reflection chrome deposition for high contrast and easy readability. Markings are on the outside of the reticle, so the scales are always in direct contact with the object... [See More]

  • Reticle Type: Concentric Circle; Crossline
  • Thickness: 0.0898
  • Diameter / Side Length: 0.8268
  • Centering: 0.0098