SUMMARY
Canon appears to have resolved a long-standing problem with its lenses, marking an end to a three-year period of limited new releases. This development addresses a significant concern for Canon users. In parallel, Sony is rumored to be working on a new 600mm prime lens that weighs less than 1kg, a notable achievement for such a long focal length.
TAKEAWAYS
Canon has reportedly fixed a major lens issue.
A three-year drought of new Canon lens releases may be over.
Sony is rumored to be developing a 600mm prime lens under 1kg.