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Handy pocket size test pattern on a durable vinyl laminate card. Size: 3 1/2"L x 2"W with rounded corners. USAF pattern Group 0, Element 1 to Group 3, Element 6; Ronchi Ruling Pattern 1 line/mm.
| Number of Line Pairs / mm in USAF Resolving Power Test Target 1951 | ||||
| Element | Group No. |
|||
| 0 | 1 | 2 | 3 | |
| 1 | 1.00 | 2.00 | 4.00 | 8.00 |
| 2 | 1.12 | 2.24 | 4.49 | 8.98 |
| 3 | 1.26 | 2.52 | 5.04 | 10.10 |
| 4 | 1.41 | 2.83 | 5.66 | 11.30 |
| 5 | 1.59 | 3.17 | 6.35 | 12.70 |
| 6 | 1.78 | 3.56 | 7.13 | 14.30 |
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