T-R2L2S1P - Positive NBS 1963A Resolution Target, 2" x 2", 1 to 18 cycles/mm
T-R2L2S1P - Positive NBS 1963A Resolution Target, 2" x 2", 1 to 18 cycles/mm
- Frequencies from 1 to 18 cycles/mm (See List to the Right)
- Determine Resolution of an Optical System
- 2" x 2" (50.8 mm x 50.8 mm) Soda Lime Glass Substrate
- Positive and Negative Targets Available
| Optical Specifications | ||
|---|---|---|
| Item # | T-R2L2S1P | T-R2L2S1N |
| Pattern | LRa Chrome | Clear |
| Background | Clear | LR Chrome |
| 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. R2L2S1P IS A POSITIVE TEST TARGET WITH DARK PATTERN AND CLEAR BACKGROUND
8. THE PATTERN IS NBS1963A TEST PATTERN WITH RESOLUTION FROM 1.0 LP/mm TO 18 LP/mm