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Test of a Sigma AF 12-24 mm f:4.5-5.6 EX DG zoom on a Canon EOS 5D

Start - 12 mm - 15 mm - 17 mm - 20 mm - 24 mm - Summary

Crops @ 24 mm

Centre

Midway

Edge

f. 5.6
f. 8.0
f. 11
f. 16



Software for remapping fisheye
images into a rectangular projection