Yongnuo launched the eighth category of camera mount lenses: YN50mm F1.8X DA DSM PRO (X-mount), pre-order price RMB 1799 (official shop), July 20 delivery.
The official introduction, the new lens with compact and lightweight lens design at the same time, in the entire zoom range and different light map, from the center to the edge of the picture can present excellent resolution performance.
The new lens uses 11 groups of 14 lenses, including three low dispersion lenses (LD), four aspherical lenses, etc., to ensure the overall lightness and compactness, while also showing excellent imaging capabilities; the aspherical lenses are added to effectively eliminate the aberrations, spherical aberration, aberrations and other problems caused by spherical lenses.
Aspheric lens: effectively eliminate the aberration, spherical aberration, aberration and other problems caused by spherical lens, so that the surrounding incident light more ideally concentrated to the focal plane, and can save the lens, facilitate the lightweight design of the lens.
Low Dispersion Lens (LD): Effectively eliminates chromatic aberration and better suppresses dispersion problems.
The new lens follows the optical structure design of the FE mount lens YN50mm F1.8S DF DSM, and adds a control ring function and display to it.