The Yongnuo YN85mm f/1.8S DF DSM Lens for Sony E-Mount is designed for full-frame-format Sony E-mount mirrorless cameras. The lens's f/1.8 design suits working in low-light conditions and enables control over depth of field for isolating subject matter.
The optical design features nine elements in eight groups, incorporates one low dispersion element to reduce chromatic aberrations and colour fringing. One high refractive index element reduces spherical aberrations and distortion for increased clarity and definition for sharp image quality. A multi-layer coating is applied to the optical surfaces to suppress flare and ghosting for improved contrast in strong lighting conditions.
