The 140mm f/4.5 Macro features outstanding resolution at all distances and apertures, and adjustable flat field correction. The built-in floating element system allows correction of edge sharpness for copy work down to 1:1 life size with optional extension tubes, Applications include copywork, macro and close-up photography of all objects from product photography to flowers. Fashion and beauty photographers find the 140mm f/4.5 Macro particularly useful for a variety of subjects, close-ups and normal shots. An extremely versatile lens, the 140mm f/4.5 Macro can also operate as an excellent normal focal length lens focusing to infinity for portraits, landscapes and general purpose photography.