T-R3L3S1PR - Positive Reflective 1951 USAF Test Target, 3" x 3"

• 3" x 3" (76.2 mm x 76.2 mm) Targets Offer Resolution up to 4.4 µm per Line Pair
• Determine Resolution of an Optical System
• Conforms to MIL-S-150A Standard
• Positive, Negative, and Positive Reflective Targets Available

NOTES/SPECIFICATIONS:

1. MATERIAL: SODA LIME

2. COATING: LOW-REFLECTIVITY CHROME ON CHROME PATTERN

3. FACE DIMENSION TOLERANCE: 0.5 mm

4. THICKNESS TOLERANCE: 0.3 mm

5. SURFACE FLATNESS: ≤15 µm

6. REFLECTANCE: LOW-REFLECTIVITY CHROME <10% AND CHROME >40% AT 430 nm.

7. R3L3S1PR IS A TEST TARGET WITH DARK LOW-REFLECTIVITY CHROME PATTERN AND REFLECTIVE CHROME BACKGROUND.

8. THE PATTERN IS USAF 1951 TEST PATTERN WITH RESOLUTION FROM GROUP -2 TO GROUP 7