21mm Group Test (2007)
[nextpage title=”Introduction”] Canon 17-40mm f4 v Nikon 17-35mm f2.8 v Zeiss 21mm f2.8 Distagon [published march 2007] The first time I tested a lens purposefully was in 2001. I’d bought a Canon 17-40mm f4 L for the 1Ds Mark I and couldn’t believe the results I was getting – in a bad way. The incredulous …