Will Sigma Launch a New Version of an Iconic Canon Lens?

There was a wave of delight when both Sigma and Tamron announced they were going to launch autofocus lenses for Canon RF's APS-C mounts. With their official involvement, it is said that the newer Sigma lenses could be truly helpful in improving the autofocus performance of the lenses. While we are unsure how it will all play out for now, there are new reports that Sigma is looking to revive a beloved Canon lens in the near future. So yes, a Sigma 200mm f1.8 lens is possible. What is it about? Fi...