It may be heralded as one of the best lenses ever made, but is the Zeiss Otus 55mm f/1.4 really worth almost 2,500 more than the Sigma 50mm f/1.4 Art lens? Richard Sibley and Andrew Sydenham put the lenses head to head

http://feedproxy.google.com/~r/whatd...0mm-f-1-4.html