Central sharpness is excellent at f/2, outstanding from f/2.8 to f/5.6. excellent ... Bokeh is relaxed and pleasing to the eye, and 50mm lenses, certainly fast ones, do benefit from the ability ...

That was until very recently, in July earlier this year third-party lens manufacturer Sigma got the green light to release its 18-50mm f/2.8 DC DN C, and followed up with the more recent 10-18mm f ...

The edges are very good from f/2.8 to f/11, good at f/16 and soft at f/22. At 50mm, central sharpness is excellent from f/2.8 to f/8, very good at f/11 and f/16 and soft at f/22. The edges are ...

The Sigma BF is made from a single piece of aluminum ... plus there's a stabilized 16-50mm F2.8-4.5 zoom lens. Handy video features include a built-in 3EV ND filter, mic and headphone ports ...