Lighten Your Load Carrying this versatile tele-converter lens allows you to increase your telephoto shooting capability without carrying extra equipment -- a significant advantage on long wilderness treks or while traveling on vacation.
Superb Optical Performance With these precision Sony tele-converter lenses, youll preserve both the accuracy and the image quality of your primary lens.
Open Aperture Settings When using these tele-converter lenses, remember to compensate for their reduced light transmission by opening your aperture two steps with the 2X converter
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.