Nikon AF-S Teleconverter TC-20E III

The high-performance Nikon AF-S Teleconverter TC-20E III doubles the effective focal length of select NIKKOR lenses without increasing the focusing distance. This is the first teleconverter in the world to feature an aspherical lens element that produces images in extraordinary resolution and contrast. This compact and lightweight teleconverter is a cheap and practical solution for situations where you can not carry a special telephoto lens. The advanced optical design offers exceptional image quality that meets the rigorous demands of Nikon FX camera users.
Parameters and Specifications:
Lens Construction:
7 elements in 5 groups (with one aspheric member)
Shortest focusing distance:
Same as the main lens
Maximum reproduction ratio:
Twice that of the main lens
Weight:
(Approx.) 330g
Dimensions:
66 x 48mm
Supplied accessories:
BF-3A Front Mount Cap
LF-1 Rear Lens Cap
CL-0715 Soft Lens Case