Sigma TC-2001 2x Teleconverter for Canon EF Data and increases the consistency of

and increases the consistency of the device's operation during long-term observation

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alloy structure provide the foundation from which the innovative ironless magnesium driver units emote bold and articulate

The Neutral Density filter reduces the intensity of all wavelengths or colors of light equally

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Sigma TC-2001 2x Teleconverter for Canon EF Data and increases the consistency ofThe TC 2001 from Sigma is a 2x Teleconverter specifically designed for Canon EF mounts. Designed with 2 Special Low Dispersion glass elements, you will experience superb image quality. This teleconverter increases the focal length by 2x for select Global Vision Sigma lenses. It employs full communication between the lens and camera, allowing the autofocus to operate at up to f 8. Sigma constructed this teleconverter to be dust and splash proof so you