Voigtlander's ultra-fast 40mm for Sony — the Nokton f/1.2 with electronic coupling.
The Voigtlander Nokton 40mm f/1.2 Aspherical VE is the Sony FE full-frame E-mount version of the Nokton 40mm f/1.2, with VE indicating the Sony E-mount native configuration. The 40mm focal length at f/1.2 provides a moderate wide-of-normal perspective with extreme subject isolation.
The lens delivers 40mm at f/1.2 maximum aperture with aspherical optical correction, Sony FE electronic contacts for EXIF and in-body stabilisation metadata, manual focus, and full-frame coverage.
The Nokton 40mm VE provides the same optical specification as the Canon RF version but with Sony FE native coupling — including IBIS metadata cooperation. On full-frame Sony bodies, the IBIS system uses the focal length data from the electronic contacts for optimal stabilisation efficiency during manual focus photography.
Verify Sony FE electronic coupling for IBIS metadata and EXIF. Test focus ring smoothness. Inspect aspherical element coating. Check aperture blades at f/1.2 for oil-free operation.