21mm Diameter, Plain Crosshair, Contact Reticle

Plain Crosshair

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Stock #39-444 In Stock
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£56.95
Qty 1-4
£56.95
Qty 5+
£53.46
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Diameter (mm):
21.00 ±0.05
Line Thickness (μm):
25.40 ±2.5
Surface Quality:
20-10 (over active area)
Thickness (mm):
2.28 ±0.127
Type:
Plain Crosshair
Centering (mm):
±0.10
Surface Flatness (P-V):
3 - 4λ

Regulatory Compliance

RoHS 2015:
Reach 211:
Certificate of Conformance:

Product Description

Centered crosshair lines.

Product Family Description

  • Greater Stability than Film Reticles
  • Low Reflection Chrome Pattern
  • Plain or Dashed Crosshairs

Crosshair Scale Contact 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 under view. This provides optimum focus and accurate measurements. Crosshair Scale Contact Reticles in the 21mm and 27mm diameters are for use with our 6X and 9X comparators. Our 26mm and 35mm diameter reticles are used with our Peak Measuring Loupes and  Peak Illuminated Magnifiers. Please note the field of view specified for the magnifiers before selecting a magnifier/reticle combination. For example, the 5/8" (16mm) field of view for a 12X comparator may not be suitable for use with a reticle that has a ¾" (20mm) scale if the full scale is needed.