Hands-on with the OM System 12-40mm F2.8 PRO II and 40-150mm F4 PRO
Introduction The 12-40mm F2. 8 II Pro and 40-150mm F4 Pro aren't the first lenses to appear with 'OM System' branding, but they give a bit of an insight into OM Digital Solutions' thinking about the system, its strengths, and where it's going. dpreview.com »