Voigtlander's fast wide prime for Sony FE — 28mm f/1.5 with electronic contacts and manual focus.
The Voigtlander Nokton 28mm f/1.5 ASPH FE is a manual-focus fast wide prime designed natively for Sony FE mount. At f/1.5 it provides extremely fast aperture at 28mm — unusual speed for this focal length with electronic EXIF communication.
Optically good — Nokton rendering with characterful wide-open quality. Sharp from f/2.8. The f/1.5 at 28mm provides dramatic shallow DOF unusual for a wide angle. Electronic contacts for aperture control and EXIF. Smooth manual focus helicoid.
Sony FE mount with electronic contacts. 49mm filter thread — compact. Approximately 260g. No weather sealing. Electronic aperture and EXIF. 10 aperture blades. Manual focus. Minimum focus distance 50cm.
Available used at mid-range to professional prices. The electronic contacts make this much more usable than fully manual Voigtlander lenses. The f/1.5 at 28mm is unique on Sony FE. For manual focus enthusiasts wanting fast wide-angle with camera integration.