1972年 Minolta MC Fisheye Rokkor 7.5mm F4 180 degrees Equidistant Projection, Circular Image, 12 elements in 8 groups 1977年 Minolta MD Fisheye Rokkor 7.5mm F4 180 degrees Equidistant Projection, Circular Image, 12 elements in 8 groups 1981年 Minolta MD Fisheye 7.5mm F4 180 degrees Equidistant Projection, Circular Image, 12 elements in 8 groups |