Sigma Teasing October 23 Product Launch in Shanghai

Sigma China has posted a teaser for a live product announcement on October 23 at 14:30, with a two-day in-person optical experience in Shanghai to follow. The teaser image shows what L-Rumors describes as lens elements including an aperture control ring. L-Rumors also cites a separate unconfirmed report of a Sigma fp II in the pipeline, though the source has no confirmation that either product lands on this date.