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OP 5.0 Optical Polygon #(--edpnumber)#

Optical Polygons
5-Sided Optical Polygon, Grade 0

Webber Optical Polygons provide an easy, accurate method of checking and calibrating angles. They are designed for use with autocollimators in measuring angle spacing. The exclusive one-piece design provides compact, fixed master for precise angle spacing

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  • Target faces are highly reflective and optically flat.
  • Chrome carbide polygons provide a hardness of Rockwell 71-73 C
  • Corrosion resistance 10-20 times that of 18-8 stainless steel
  • Lifetime accuracy
  • Maintenance problems are virtually eliminated
  • 1" mounting hole, flanged bushing, lapped washer and hold-down bolt furnished with each unit
  • Furnished in case
  • Certificate of Calibration included


  • Number of Sides: 5
  • Angle Spacing Degrees: 72
  • Accuracy Grade: 0

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