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Siemens Star Target, 60mm Dia., 36 Sectors Chrome on Glass

Glass Star Target

Glass Star Target
Stock #58-832
Qty 1+
Volume Pricing
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Line Width (mm):
2.2 - 0.004
Number of Sectors:
Optical Density OD (Average):
Pattern Diameter (mm):
Thickness (mm):
1.50 ±0.05
Wedge Angle:
Unresolved Core Diameter (mm):
Physical Vapor Deposition (Chromium Coating)
Diameter (mm):
60.00 ±0.1
Frequency (lp/mm):
0.229 - 114.6
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Float Glass
NIST Certification:

Regulatory Compliance


Product Family Description

  • Ideal for Detection of Focus Errors and Astigmatism
  • Frequency Range at Target Center (lp/mm) 7.14 - 229.2
  • Available on White Photographic Paper or Chrome on Glass

Star targets are ideal for identifying focus errors, astigmatism, and other aberrations existing in an imaging system. We have several targets to choose from. Our 60mm diameter (#58-832 and #58-833) targets feature an unresolved core of 100μm, and are ideal for high-resolution or high magnification imaging systems. Both targets are chrome on glass. Our 4” x 4” targets, available as chrome on glass (#46-247) or photo paper (#46-246), feature an unresolved core of 2.7mm, and are designed for mid- to low-range spatial frequencies common in macro imaging systems.