Sigma Tele-converters or tele-extender is an updated optical technology
designed exclusively for Nikon, Sony, canon and Sigma digital SLR Cameras,
tele-zoom and telephoto lenses. Featured with EX finish, equipped with
efficient optical and mechanical design. The tele-converter is ideally
used for creative landscapes, sports, wildlife and other general purpose
photography. It is light in weight, durable and easily interchangeable.
Easy And Inexpensive Way To Increase The Abilities Of Your Lenses
The Sigma tele-converter incorporates 5 elements in 3 groups. Tele-converter
ensures quick, smooth focusing through high technology Auto-focus mechanism.
The Sigma tele-converter multiplies the focal length by 1.4x of the lens.
Sigma 1.4xn EX DG APO Tele-converter carries auto-focus system that ensures
ultra-quiet, fast operations. It carries 10-pin electrical interfaces, there
is no loss of auto-focusing speed when Sigma Tele-Converter are used with
compatible HSM. type lenses for Canon, Sigma, and now current Nikon AF
Better Control Over Chromatic Aberrations While Increasing 1.4x Focal Length
To The Lens
Sigma Tele-converter is an easy and inexpensive way to increase the
abilities of your lenses without the expense of purchasing and carrying
another telephoto lens. Equally bright images with reduced chromatic
aberration is an outstanding feature of Sigma DG 1.4x EX APO Tele-converter.
Tele-converter reduces chromatic aberration to a minimum and also ensures
sharp, quality images of high contrast.