Performance is excellent all the way from f/2.8 through to f/8 ... The taller the column, the better the lens performance. For this review, the lens was tested on a Canon EOS 5DS R using Imatest.

As with its bodies, Sony's lenses can be surprisingly light. Even its 400mm f/2.8 is light enough to hand-hold for extended periods. Sony's lineup of lenses covers a range of scenarios ...