Lens collection

Sigma35s copies: S210139 S211727 S222088 S222338 S226171

Comparisons: Can50f1.2 Canon35

All models: Can50f1.2 Canon35 Sigma35s

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Comparison of Sigma35s and Can50f1.2

Sharpness @ 10, 20, 30, 40 vs. 10, 20, 30 lp/mm

MTF

What is the average MTF at each object angle? Spread shows variation within and between copies.

Tangential
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Sagittal
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Asymmetry

How much does the MTF vary within a single lens at each object angle? Spread shows variation between copies.

Tangential
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Sagittal
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Astigmatism @ 10, 20, 30, 40 vs. 10, 20, 30 lp/mm

Tangential vs. Sagittal

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Astigmatism

How much do the tangential and sagital resolutions differ at each point in the lens? Spread shows variation within and between copies.

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