Sony a7iii and MC-11

Started 2 months ago | Discussions thread
Windeguy Regular Member • Posts: 437
Re: Sony a7iii and MC-11

mark dimo wrote:

Anyone else see a decline in performance of their adapted lenses after firmware updates??

I sent Sigma support a question a year ago about the benefits of doing an update if I only used Canon lenses with the adapter. They told me that the MC-11 only supported Sigma lenses. They went on to recommend that I not do any firmware updates because non-supported lenses may not function properly after a future update.  
Maybe that was just a scare tactic or a technician talking about something he really didn’t know about.  I don’t know but haven’t done an update since.

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