Comparison of two Sigma AF 12-24 mm zooms on a Canon EOS 10D
Start - 12 mm - 15 mm - 17 mm - 20 mm - 24 mm - Summary
Crops @ 24 mm
First copy
CentreSecond copy
CentreFirst copy
EdgeSecond copy
Edgef. 5.6
f. 8.0
f. 11 f. 16
Software for remapping fisheye
images into a rectangular projection