A focal length only half the diagonal of the film frame, produced with an almost symmetric lens design of surprising compactness, featuring the typical advantages of symmetrical lens designs: distortion is extremely well controlled, and so is color correc
A focal length only half the diagonal of the film frame, produced with an almost symmetric lens design of surprising compactness, featuring the typical advantages of symmetrical lens designs: distortion is extremely well controlled, and so is color correc
只有胶片对角线长度一半的焦距、惊人的紧凑和几乎对称的镜头设计，使之具有对称结构镜头的典型优点：控制得极好的变形、色彩矫正和像场平坦度。