SUMMARY
Sigma is rumored to be developing a new 65mm f/1.0 lens, potentially for Sony E-mount and L-mount cameras. While details are scarce, the aperture of f/1.0 would be a significant feature for low-light performance and shallow depth of field. The exact specifications and release date remain unconfirmed.
TAKEAWAYS
Sigma may announce a 65mm f/1.0 lens.
The lens is expected for E and L mounts.
The f/1.0 aperture is a notable rumored specification.