With the worlds first retractable mechanism design, the Olympus 14-42mm f/3.5-5.6 II M.Zuiko lens is a standard 3X zoom lens is extremely compact with an overall length of just 1.7 inches. Covering wide-angle to a moderate telephoto suitable to portrait shooting, this lens is suitable for a wide range of applications, including day-to-day shooting and traveling. With a digital-dedicated design as well as multi-coating on all lens surfaces, this Micro Four Thirds lens boasts very high imaging performance. Bearing the MSC (Movie-Still-Compatible) logo, this lens utilizes nearly silent focusing technology, that not only removes annoying lens drive noise picked up during HD movie recording, but offers increases in Auto-Focus speeds when capturing stills.
This is the magnifying factor of a lens. Macro lenses will often be described by their “magnification factor”. A lens with a 1:1 magnification factor produces a projected image on the sensor which is the same as the subject.
The individual pieces of glass that form the overall optical construction. Most lenses have between four and eleven elements to bend the light rays to ensure a perfectly formed image appears on the light sensitive surface, such as a film or CCD. The elements are arranged in groups and may be seen in specification sheets as, for example, 6 elements in 4 groups. That configuration may have two single elements and the other four grouped in pairs.