Sigma 30mm f1.4 strange circle appearing

Started Jan 7, 2019 | Discussions thread
QuietOC Veteran Member • Posts: 5,777
Re: Sigma 30mm f1.4 strange circle appearing

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.

 QuietOC's gear list:QuietOC's gear list
Pentax Q7 Sony a7R IV NEX-5T Sony a77 II Sony DT 16-105mm F3.5-5.6 +97 more
Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark MMy threads
Color scheme? Blue / Yellow