Sigma TC-2011 2x Teleconverter for L-mount Mount:for Nikon F Fn button permits making exposure

Fn button permits making exposure and settings adjustments via the lens

Two aspherical elements and one high-refractive index element are used to limit distortion and spherical aberrations and also contribute to greater overall sharpness and accurate rendering

Delivering speed

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Sigma TC-2011 2x Teleconverter for L-mount Mount:for Nikon F Fn button permits making exposureOptimized for Canon EF mount lenses in the Global Vision line, the TC 2001 2x Teleconverter from Sigma will offer an increase in focal length of 2 times for select Global Vision lenses. This model offers full communication between the lens and camera and will allows autofocus to operate at up to f 8. The teleconverter also features two Special Low Dispersion elements for reducing the appearance of chromatic aberrations and maintaining quality.