Sigma TC-1411 1.4x and TC-2011 2x Teleconverters for L-Mount Lenses

The new Sigma TC-1411 teleconverter increases the focal length of L-mount lenses by 1.4x, and the TC-2011 by 2x. They are compatiblewith the new 100-400mm F5-6.3 DG DN OS Contemporary lens. The Sigma TC-1411 and TC-2011 Teleconverters will be available in July 2020 priced at £369.99 / $399 for the TC-1411 and £399.99 / $429 for the TC-2011.