Korean website tistory posted their review for Zeiss new lens 135mm f/2 Apo Sonnar T*. They made a comparison of Zeiss 135mm f/2 and Canon EF 135m f/2L. The Zeiss 135mm f/2 APO Sonnar T* costs $2,122, while EF 135mm f/2L only for $889.
See the comparison below (click the image to see large size):
|Zeiss 135mm f/2 APO Sonnar T*||Amazon|B&H|Adorama|