2017_InvUSAF

Description

• This target is the inverse polarity of 2015a USAF target.
• The field is chromium and the tri-bar pattern is transparent quartz glass.
• Inverse pattern reduces glare for trans-illumination
• Manufactured by: Ready Optics Company
• 137 nanometer Single Bar or Space.
• High Contrast Chromium on Quartz Glass
• Conforms to 1951 US Air Force MIL-STD-150A
• Starts at Group 4, Element 1; (31 µm bar width / 62µm period)
• Ends at Group 11, Element 6 (137 nanometer bar width / 274nm period)