分辨力圖表

USAF pattern is printed in black, red, yellow, and blue to test for chromatic aberration and at 90° for testing astigmatism.

技術資訊

Number of Line Pairs / mm in USAF Resolving Power Test Target 1951
Element	Group No.
Element	-2	-1	0	1	2	3
1	0.250	0.500	1.00	2.00	4.00	8.00
2	0.280	0.561	1.12	2.24	4.49	8.98
3	0.315	0.630	1.26	2.52	5.04	10.10
4	0.353	0.707	1.41	2.83	5.66	11.30
5	0.397	0.793	1.59	3.17	6.35	12.70
6	0.445	0.891	1.78	3.56	7.13	14.30

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