A small hole and a notch line up with the white dot. In cases where contrast or brightness level of the shooting object is low, it may not focus properly. The LensCoatExtender set includes a cover for the Nikon 1.4x TC-14E III and 2.0x TC-20E III extenders.
*2 It becomes compatible with the new tele converters once the lens firmware is updated to Ver.*1 It becomes compatible with the new tele converters once the lens firmware is updated to Ver.Teleconverter TC-1401 is only compatible with the following Global Vision lenses:.With effective AF at f8 and 1.4x the reach, get the most out of your Sigma lens.Created exclusively for the Global Vision lenses, these teleconverters ensure the utmost in compatibility, even for large diameter lenses.Equipped 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.
