Sigma are a Japanese company which produce cameras, lenses and flashes. They're most widely known for their selection of lenses which are compatible with cameras from other manufacturers.
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Is there an adapter for a Sigma SA mount lens to fit a Canon EF mount?
I have a Sigma 24mm ultra-wide lens; does anyone know of an adaptor that will make this lens fit my Canon 1V camera?
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What is the DIY repair potential of a Sigma 24-70mm f2.8 EX DG Macro (non HSM) lens?
Summary:
Can anyone provide useful experience based comment on the potential for or cost of repair of the "zoom bearing" mechanism in this lens specifically or with lenses liable to be similar? My ...