Another macro lens from Sigma with the Four Third System is the Sigma 18 - 50mm F2.8 EX DC MACRO which has a minimum focusing distance of 20cm and a maximum magnification of 1:3. This one looks extremely appealing and would surely impress all with its lightweight construction possible because of the onboard aspehrical lenses.

The new Macro lens has an aperture of F2.8 and the presence of Special Low Dispersion (SLD) and Extraordinary Low Dispersion (ELD) glass elements combats chromatic aberrations. The Super Multi Coating ensures that no ghosting arises and the inner focusing system makes front lens rotation redundant.

Sigma 18-50mm F2.8 EX DC Macro Lens Specifications
Focal Length 18-50mm
Minimum Aperture F22
Lens Construction 15 Elements in 13 Groups
Angle of View 69.3°-27.9°
Number of Diaphragm Blades 7pcs
Minimum Focusing Distance 20cm (7.9”)
Maximum Magnification 1:3
Filter Size 72mm
Lens Hood Petal–type Hood
Dimensions Diameter 79mm (3.1in”) x Length 85.8mm (3.4”)
Weight 450gr /16.0oz