T-R1L3S12N – Ronchi Ruling Test Target, 3″ x 1″, 10 lp/mm
T-R1L3S12N – Ronchi Ruling Test Target, 3″ x 1″, 10 lp/mm
- 3″ x 1″ (76.2 mm x 25.4 mm) Square Wave Ronchi Ruling Target
- Patterns with 10 lp/mm, 20 lp/mm, 40 lp/mm, and 80 lp/mm
- Large 65 mm x 17 mm Clear Aperture
- Determine Resolution, Field Distortion, and Parfocal Stability in an Optical System
- Low-Reflectivity, Vacuum-Sputtered Chrome on Soda Lime Glass
NOTES/SPECIFICATIONS:
1. MATERIAL: SODA LIME
2. COATING: OD3 LOW-REFLECTIVITY CHROME
3. CLEAR APERTURE: 65 mm X 17 mm
4. FACE DIMENSION TOLERANCE: 0.5 mm
5. THICKNESS TOLERANCE: 0.2 mm
6. SURFACE FLATNESS: ≤15 µm
7. OPTICAL DENSITY: ≥3.0 AT 430 nm
8. R1L3S12N IS A TEST TARGET WITH A DARK LOW-REFLECTIVITY CHROME PATTERN AND CLEAR BACKGROUND.
| Optical Specifications | |
|---|---|
| Pattern | LRÂ Chrome |
| Background | Clear |
| Surface Flatness | ≤15 µm |
| Chrome Optical Density | ≥3.0 |
9. THE PATTERN IS A CONSTANT-INTERVAL BAR AND SPACE SQUARE WAVE TARGET WITH 10 LP/mm.
