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Sigma mount

It’s been almost a year since Sigma launched their mount conversion service, but feedback is lacking. If you have experienced it, it would be nice to take a few minutes and tell us about it in the comments!

For those who are not familiar with this service, the five points below give the most important information. It is advised to read them before taking the plunge.

  • Lenses can be converted to any mount currently used by Sigma: Canon EF, Nikon F, Pentax K, Sigma SA and Sony A. Owners of DN lenses can choose between Micro Four Thirds mount and Sony E mount. Reverting to the original mount is also possible.
  • The service applies to Global Vision lenses only (those labeled Art, Contemporary, or Sports). Teleconverters and USB Docks are not eligible either. Lenses can be converted up to five years after their discontinuation.
  • The price varies depending on the category of the lens: DN lenses are the least expensive ($80), followed by Art and Contemporary lenses ($150), and Sports lenses ($250). These are the US prices, shipping excluded. US and UK residents are given the opportunity to request the service without the need to contact Sigma beforehand, by filling the form linked above and sending it with their lens to the nearest Sigma subsidiary or distributor.
  • Upon receiving the lens, the center will send it to Sigma’s factory in Aizu (Japan). The mount conversion service includes firmware adjustment, AF tuning, optical stabilization adjustment, removal (ie. Nikon to Sony) or addition (ie. Pentax to Canon), and final checking using Sigma’s own MTF system. Expect a turnaround time of three to five weeks.
  • The conversion does not affect the ongoing warranty. Out-of-warranty lenses will be given a new warranty, whose period is country dependent (6 months in the USA).
  • Vamp898

    Why would anyone _not_ want to support Sigma and buy their exczellent lenses?

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