2003年 Sigma Fisheye 8mm F4 EX
180 degrees Solidangle Projection, Circular Image, 10 Elements in 6 Groups
2005年 Sigma Fisheye 8mm F4 EX DG
180 degrees Solidangle Projection, Circular Image, 10 Elements in 6 Groups
2006年 Sigma Fisheye 8mm F3.5 EX DG
180 degrees Solidangle Projection, Circular Image, 11 Elements in 6 Groups