The f/2.8 maximum aperture strikes a balance between being bright enough to suit working in available light situations while also promoting a lightweight, compact form factor.
 
 
One Special Low Dispersion (SLD) element helps to significantly reduce color fringing and chromatic aberrations for increased clarity and color fidelity.
 
 
One aspherical element helps to control spherical aberrations and distortion to help realize greater sharpness and more accurate rendering.
 
 
A Super Multi-Layer Coating has been applied to lens elements in order to minimize lens flare and ghosting and contribute to producing contrast-rich and color-neutral imagery, even in backlit conditions.
 
 
Linear AF motor achieves especially quiet and accurate autofocus performance that is suitable for both photo and video applications.
 
 
Brass bayonet affords improved mounting accuracy and rigidity.
 
 
Rounded seven-blade diaphragm contributes to a pleasing bokeh quality.