Trusted sources are claiming that Sigma will soon announce a new 100-400mm f/5-6.3 DG DN OS Lens for Sony E-mount. The new Sigma 100-400mm f/5-6.3 Lens is already available in Canon EF and Nikon F mounts for $799, So, the upcoming Sony E-mount version highly likely could be priced at $799. The exact announcement date is still unknown at the time of writing.
Stay tuned with us for more info.
Reminder: Sony USA released the new instant savings for June 2020: