Sigma TC-1401 1.4x Teleconverter for Nikon F PRINTERS Weather-resistant construction with a brass

Weather-resistant construction with a brass bayonet mount that improves mounting accuracy and rigidity

One extra-low dispersion element greatly reduces color fringing and chromatic aberrations in order to produce greater clarity and color accuracy

Engineered for Simple Setup and Control - Download the free Bose Music app to get instructions on how to set up the speaker step-by-step

1x Optical Design 16 Elements in 13 Groups Diaphragm Blades 9

Two ED and Two Aspherical Elements

Sigma TC-1401 1.4x Teleconverter for Nikon F PRINTERS Weather-resistant construction with a brassSigma TC 1401 1. 4x Teleconverter for Nikon F Compatible with Select Sigma Lenses with Nikon F Mount Suitable for Large Diameter Lenses Increases Focal Length by 40% Seven Elements in Five Groups One SLD Special Low Dispersion Glass Element Autofocus Operates up to f 8 Splash and Dust Proof Design Soft Carrying Case Included The Sigma TC 1401 1. 4x Teleconverter for Nikon F is designed for Nikon F Mount lenses within their Global Vision line up. It