The Olympus M.Zuiko Digital 1.4x Teleconverter MC-14 ($349.99) is a small accessory for select Olympus Micro Four Thirds lenses that extends the effective focal length by a factor of 1.4. The teleconverter doesn't significantly degrade image quality, which is good news for photographers who want to get a little bit more reach from their lenses, but like all 1.4x teleconverters it halves the amount of light that's captured by the lens. It won't work with every Micro Four Third lens, but if you do have one that it's compatible with and you want some extra reach, it's a worthwhile investment. The MC-14 ($349.00 at Amazon) is very small and light. It measures just 0.9 by 2.7 inches (HD) and weighs 6 ounces. It's easy to slide into a pocket when not in use—Olympus includes both front and rear caps and a protective carrying case. It mounts to your Micro Four Thirds camera, and has its own lens mount to which to attach a lens. Right now it can only be used with one lens, the M.Zuiko ED...
The Olympus M.Zuiko Digital 1.4x Teleconverter MC-14 extends the reach of select Olympus lenses without sacrificing image quality, but it does reduce the amount of light that the lens captures.
Compact; Dust and splashproof design; Extends reach of lens by 1.4x
Very limited compatibility; Halves light-gathering capability