Sigma 1.4x TC-1401 Teleconverter - Nikon Mount Category_Sync Cables two ED (Extra-low Dispersion) glass

two ED (Extra-low Dispersion) glass elements and Sony's Nano AR coating

users can also take advantage of the high-speed

Explore the Filter Gallery

A screw-in protector ring is provided to protect the filter thread of the lens when the hood is not in use

the AF-S NIKKOR 24–85mm f/3

Sigma 1.4x TC-1401 Teleconverter - Nikon Mount Category_Sync Cables two ED (Extra-low Dispersion) glassEquipped with 1 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 1. 4x the reach, get the most out of your Sigma lens. Compatible with the 120 300mm f2. 8