2015a USAF



Extreme USAF tri-bar resolution test target for microscopes. Chrome bars on transparent glass field.

SKU: 2015a Category: Tag:


Extreme microscope resolution text target, 1951 USAF from group 4 through group 11.  Suitable for challenging research grade microscope objectives including oil immersed NA/1.4.  Chrome bars plated on quartz background. The chrome is 1000 angstroms thick and very durable.
Mounted in an anodized, aluminum, microscope slide, 25x75x1mm.

Product Summary
  • Model 2015a
  • Chrome Bars on Transparent Field
  • Manufactured by: Ready Optics Company
  • Smallest feature is 137 nanometers half-cycle.
  • High Contrast Chrome on Quartz Glass
  • Conforms to 1951 US Air Force MIL-STD-150A
  • Starts at Group 4, Element 1; (31 micron spacing)
  • Ends at Group 11, Element 6 (137 nanometer spacing)


  • Validating Research
  • Incoming inspection of OEM microscope objectives.
  • Validate microscope servicing to end-users.
  • Validate that microscope setup is good.
  • Calibration of Cover Slip Adjustment Rings


There are no reviews yet.

Be the first to review “2015a USAF”

Your email address will not be published. Required fields are marked *