Nikon TC-20EIII 2x Converter

The AF-S Teleconverter TC-20E III, is the world’s first teleconverter* to utilize an aspherical lens element (As of 10 December 2009).

An FX-format compatible teleconverter that extends the focal length of the primary lens by 2×*

The world’s first teleconverter to utilize an aspherical lens element

A new optical design that offers superior contrast and resolution

Utilization of an aspherical lens element enabled a more compact and lightweight teleconverter

* Using this teleconverter with a lens decreases the effective aperture by two stops.

• Lens Construction (Elements/Groups) 7 Elements/5 Groups
• Closest focusing distance Same as the attached lens
• Maximum reproduction ratio Approx. 2× the attached lens' reproduction ratio
• Dimensions (approx.) (from the camera’s lens mounting flange) 66 x 48mm
• Weight (approx.) 330g