Low Contrast 1951 USAF Resolution Targets

  • Conforms to MIL-STD-150A Contrast Specifications
  • 5%, 35%, 80% and 94% Contrasts Available
  • Frequency Range from 0.5 lp/mm - 114 lp/mm

Designed to meet the MIL-STD-150A specifications for contrast, these Low Contrast 1951 USAF Resolution Targets are precisely calibrated to the required density difference levels specified in the Mil-Spec. Available individually for different testing requirements, or as a kit for a true contrast calibration test, all targets feature a 1951 USAF pattern with a maximum resolution of 114 lp/mm.

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Description Stock No. Price In Stock  
Showing 1-4 of 4 Items | Sort by Spec
1951 USAF Low Contrast Target, 2" Diameter, 5% Contrast
NT68-754 $595.00 In stock and ready to ship. Click to add this item to your cart.
Type MIL-150A
Diameter (mm) 50.8
Diameter Tolerance (mm) ±0.1
Thickness (mm) 2.49
Thickness Tolerance (mm) ±0.2
Resolution Minimum: Group -1, Element 1 (0.5 lp/mm)
Maximum: Group 6, Element 6 (114 lp/mm)
Contrast 5%
Substrate B270 Glass
Optical Density OD 0.0236
Wavelength (nm) Full: 380 - 2300
Optimal: 380 - 800
Transmission (%) 1.056:1
Coating Evaporated Metallic Chrome Pattern
RoHS Compliant
1951 USAF Low Contrast Target, 2" Diameter, 35% Contrast
NT68-755 $595.00 Click to receive an email with delivery information. Click to add this item to your cart.
Type MIL-150A Low Contrast
Diameter (mm) 50.8
Diameter Tolerance (mm) ±0.1
Thickness (mm) 2.49
Thickness Tolerance (mm) ±0.2
Resolution Minimum: Group -1, Element 1 (0.5 lp/mm)
Maximum: Group 6, Element 6 (114 lp/mm)
Contrast 35%
Substrate B270 Glass
Optical Density OD 0.2
Wavelength (nm) Full: 380 - 2300
Optimal: 380 - 800
Transmission (%) 1.58:1
Coating Evaporated Metallic Chrome Pattern
RoHS Compliant
1951 USAF Low Contrast Target, 2" Diameter, 80% Contrast
NT68-756 $595.00 In stock and ready to ship. Click to add this item to your cart.
Type MIL-150A Medium Contrast
Diameter (mm) 50.8
Diameter Tolerance (mm) ±0.1
Thickness (mm) 2.49
Thickness Tolerance (mm) ±0.2
Resolution Minimum: Group -1, Element 1 (0.5 lp/mm)
Maximum: Group 6, Element 6 (114 lp/mm)
Contrast 80%
Substrate B270 Glass
Optical Density OD 0.8
Wavelength (nm) Full: 380 - 2300
Optimal: 380 - 800
Transmission (%) 6.3:1
Coating Evaporated Metallic Chrome Pattern
RoHS Compliant
1951 USAF Low Contrast Target, 2" Diameter, 94% Contrast
NT68-757 $595.00 In stock and ready to ship. Click to add this item to your cart.
Type MIL-150A High Contrast
Diameter (mm) 50.8
Diameter Tolerance (mm) ±0.1
Thickness (mm) 2.49
Thickness Tolerance (mm) ±0.2
Resolution Minimum: Group -1, Element 1 (0.5 lp/mm)
Maximum: Group 6, Element 6 (114 lp/mm)
Contrast 94%
Substrate B270 Glass
Optical Density OD >2
Wavelength (nm) Full: 380 - 2300
Optimal: 380 - 800
Transmission (%) 316.0:1
Coating Evaporated Metallic Chrome Pattern
RoHS Compliant
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Description Stock No. Price In Stock  
Showing 1-1 of 1 Items
1951 USAF Low Contrast Target Kit
NT68-758 $1,795.00 In stock and ready to ship. Click to add this item to your cart.
RoHS Compliant