Sigma 30mm f1.4 strange circle appearing

Started Jan 7, 2019 | Discussions thread
FrancoD Forum Pro • Posts: 16,915
Re: Sigma 30mm f1.4 strange circle appearing

QuietOC wrote:

It would be helpful if posters specified the specific model as there are three optically unique Sigma 30mm F1.4 DC primes:

  • EX (HSM or not depending on mount)
  • Art
  • DN Contemporary

It sounds like this is about the Art version for Canon.

It probably does not matter because if you have that reverse vignetting problem the solution has been posted, if you don't , you don't.

Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark MMy threads
Color scheme? Blue / Yellow