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Canon EF 135mm f/2.8 SF MTF data

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Photodo MTF score: 3.9

Effective focal length: 134
Weighted MTF for 135 mm: f2.8 0.70. f4 0.77. f8 0.82
Average Weighted MTF: 0.80 Grade: 3.9
Weighted MTF 10 lp/mm: 0.89
Weighted MTF 20 lp/mm: 0.76
Weighted MTF 40 lp/mm: 0.52
Distortion: % - %