Equipped with 2 SLD (Special Low Dispersion) glass element for maximum image quality, the Sigma Global Vision teleconverters utilize a splash and dust proof construction for long lasting durability. Created exclusively for the Global Vision lenses, these teleconverters ensure the utmost in compatibility, even for large diameter lenses. With effective AF at F8 and 2x the reach, get the most out of your Sigma lens.
Compatible with the 120-300mm f2.8 DG OS HSM Sport, 150-600mm f5-6.3 DG OS HSM Sport, 150-600mm f5-6.3 DG OS HSM Contemporary
Lens Construction: 10 Elements in 5 Groups
Lens Mount: Canon EF