Sigma AF 400mm f/5.6 MTF data
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Photodo MTF score: 1.7
Effective focal length: 389
Weighted MTF for 400 mm: f5.6 0.59. f8 0.62
Average Weighted MTF: 0.61 Grade: 1.7
Weighted MTF 10 lp/mm: 0.74
Weighted MTF 20 lp/mm: 0.52
Weighted MTF 40 lp/mm: 0.26
Distortion: % - %
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428 MTF tests
74 in-depth photodo reviews
100+ users join each day
Help the lens community by reviewing or rating a lens today via our lens search