T-R3L3S1P - Positive 1951 USAF Test Target, 3" x 3"
T-R3L3S1P - Positive 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: 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. R3L3S1P IS A POSITIVE TEST TARGET WITH DARK PATTERN AND CLEAR BACKGROUND
8. THE PATTERN IS USAF 1951 TEST PATTERN WITH RESOLUTION FROM GROUP -2 TO GROUP 7
| Optical Specifications | |||
|---|---|---|---|
| Item # | T-R3L3S1P | T-R3L3S1N | T-R3L3S1PR |
| Pattern | LRa Chrome | Clear | LRa Chrome |
| Background | Clear | LRa Chrome | Chrome |
| Surface Flatness | ≤15 µm | ≤15 µm | |
| Chrome Optical Densityb | ≥3.0 | - | |
| Chrome Reflectanceb | - | LRa Chrome: <10% Chrome: >40% |
|