Canon FD 7.5mm F5.6

1971年 Canon Fisheye FD 7.5mm F5.6

180 degrees Equidistant Projection, Circular Image, 11 elements in 8 groups

1973年 Canon Fisheye FD 7.5mm F5.6 S.S.C.

180 degrees Equidistant Projection, Circular Image, 11 elements in 8 groups

1979年 Canon New FD Fisheye 7.5mm F5.6

180 degrees Equidistant Projection, Circular Image, 11 elements in 8 groups