The Sigma Corporation is pleased to announce the launch of the new 1.4x EX DG APO TELE CONVERTER This dedicated 1.4x APO tele-converter is mounted between specific lenses and the camera body to increase the focal length by the power of 1.4. This digitally optimized tele-converter employs the latest lens coating technology to reduce both flare and ghosting. The combination of this dedicated tele-converter and specific DG lenses ensure the best possible performance. The new special design maintains the master lens high-level of performance while extending its focal length. Compact and lightweight, this tele-converter is a convenient way of converting lenses into longer focal-length lenses, therefore ensuring that those unexpected opportunities are not missed.