Sigma Introduces Digitally Optimized Teleconverters
By Shutterbug Staff
November 3, 2005 — Sigma has introduced two digitally optimized teleconverters for use with their
telephoto and telephoto-zoom lenses. Both models utilize the latest multi-layer
lens coating and a new optical design to reduce flare and ghosting and maintain
optimum image quality.
The dedicated APO 1.4x EX DG and APO 2x EX DG teleconverters are mounted between
specific lenses and the camera body to increase the focal length by the power
of 1.4 or 2. High-speed autofocus is retained when these teleconverters are
utilized
Compact and lightweight, these teleconverters provide a convenient means of
enhancing the magnification capabilities of specific Sigma lenses without compromising
their high level of performance. They are available in mounts to fit most popular
SLR cameras. For more information visit www.sigmaphoto.com.
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