T-R3L3S6P - Positive NBS 1952 Resolution Target, 3" x 3", 0.48 to 16 lp/mm

• 3" x 3" (76.2 mm x 76.2 mm) Target for Measuring Resolution with One-Pass Scanning
• NBS 1952 Target with Centered Crosshair
• Resolutions from 0.48 to 16 lp/mm
• Sets of Three Lines Minimize Spurious Resolution

• Optical Specifications
  Pattern	LR Chrome
  Background	Clear
  Surface Flatness	≤15 µm
  Chrome Optical Density	≥3.0

NOTES/SPECIFICATIONS:

1. MATERIAL: SODA LIME

2. COATING: OD3 LOW-REFLECTIVITY CHROME

3. FACE DIMENSION TOLERANCE: 0.5 mm

4. THICKNESS TOLERANCE: 0.2 mm

5. SURFACE FLATNESS: ≤15 µm

6. OPTICAL DENSITY: ≥3.0 AT 430 nm

7. R3L3S6P IS A POSTIVE TEST TARGET WITH DARK PATTERN AND CLEAR BACKGROUND

8. THE PATTERN IS A VARIATION OF THE NBS1952 RESOLUTION TEST CHART. FEATURES INCLUDE LINE GRATINGS WITH A RESOLUTION RANGE OF 0.48 - 16 LINE PAIRS PER MILLIMETER