Sigma Teleconverter TC-2001 Brand_Feiyu-Tech built-in DSP (Digital Signal Processor)

built-in DSP (Digital Signal Processor) blocks that achieve quicker and more precise AF performance

ILFORD PAN F PLUS is a slow speed

creative inclination

Lens construction

Our most powerful and highest capacity SD™ UHS-I memory card delivers maximum speed for performance

Sigma Teleconverter TC-2001 Brand_Feiyu-Tech built-in DSP (Digital Signal Processor)Equipped with 2 SLD (Special Low Dispersion) glass element for maximum image quality, the new 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 2x the reach, get the most out of your Sigma lens. Usable Lenses and Combinations