2017_InvUSAF_&_Star – Extreme Star & USAF Pair

$1,650.00

Description

  • One durable metal Slide with both Extreme Star and Extreme USAF Resolution Targets
  • High Contrast Chrome on Quartz Glass ≈ 1000 Angstroms Chromium
  • Star has 40 Spoke & Space Pairs – 150 nanometer minimum feature
  • USAF has Group 11: Element 6 – 137 nanometer feature
  • USAF Target is Inverse Pattern, Chrome Background with Glass Bars

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