Lens review
2010-05-05
Sigma 105 mm f/2.8 EX DG Macro
6. Distortion
In a prime portrait lens like the Sigma 2.8/105 it would be difficult to expect any significant geometric deformations at the frame edge. As a matter of fact, according to our measurements, the Sigma is characterized by a negligible level of pincushion distortion, amounting to 0.33%.
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