T-R1L3S10P - Positive NBS 1952 Resolution Target, 3" x 1", 2.4 to 80 lp/mm
T-R1L3S10P - Positive NBS 1952 Resolution Target, 3" x 1", 2.4 to 80 lp/mm
- 3" x 1" (76.2 mm x 25.4 mm) Target for Measuring Resolution with One-Pass Scanning
- NBS 1952 Target with Centered Crosshair
- Resolutions from 2.4 to 80 lp/mm
- Sets of Three Lines Minimize Spurious Resolution
1. MATERIAL: SODA LIME
2. COATING: OD3 LOW-REFLECTIVITY CHROME
3. FACE DIMENSION TOLERANCE: 25.4 mm 0.2 mm X 76.2 0.5 mm
4. THICKNESS TOLERANCE: 0.2 mm
5. SURFACE FLATNESS: ≤15 µm
6. OPTICAL DENSITY: ≥3.0 AT 430 nm
7. R1L3S10P 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 2.4 - 80 LINE PAIRS PER MILLIMETER
| Optical Specifications | |
|---|---|
| Pattern | LR Chrome |
| Background | Clear |
| Surface Flatness | ≤15 µm |
| Chrome Optical Density | ≥3.0 |