| Comparaison de 3 objectifs à 50mm, ISO 100 |
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| Canon 50mm Macro 2.5 |
Sigma 18-50 3.5 5.6 DC |
Sigma 24-60 2.8 EX DG |
| f2.5 Canon 50mm |
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f2.8 Sigma 24-60 |
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| f4.0 Canon 50mm |
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f4.0 Sigma 24-60 |
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| f5.6 Canon 50mm |
f5.6 Sigma 18-50 |
f5.6 Sigma 24-60 |
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| f8.0 Canon 50mm |
f8.0 Sigma 18-50 |
f8.0 Sigma 24-60 |
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| f11.0 Canon 50mm |
f11.0 Sigma 18-50 |
f11.0 Sigma 24-60 |
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| f16.0 Canon 50mm |
f16.0 Sigma 18-50 |
f16.0 Sigma 24-60 |
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Laurent Lecatelier-Dudec, novembre 2005 |