Canon EF 70-200mm f/2.8 L USM MTF data

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Photodo MTF score: 4.1

Effective focal length: 71 - 193
Weighted MTF for 70 mm: f2.8 0.75. f4 0.80. f8 0.78
Weighted MTF for 135 mm: f2.8 0.80. f4 0.85. f8 0.86
Weighted MTF for 200 mm: f2.8 0.73. f4 0.79. f8 0.82
Average Weighted MTF: 0.82 Grade: 4.1
Weighted MTF 10 lp/mm: 0.90
Weighted MTF 20 lp/mm: 0.78
Weighted MTF 40 lp/mm: 0.55
Distortion: -2.01% - 2.04%