Lens with a great definition and a fairly general use. The autofocus is stirring in macro. The objective, well designed, is made with care in an alloy that ensures strength and lightness. The sun visor, inclusive, appears effective in everyday situations. Unlike other conventional lenses macro, the macro focus is by internal displacement of the lenses. We are far from spectacular former Macro lenses draw, as a 100mm Panagor which I appreciate use on a Pentax DSLR. In manual mode ... Keep the automatic settings and the development opens up new fields of application for pictures of small moving subjects.
