The Sigma 50mm f/1.4 DG HSM Lens is a fast standard-length prime designed to achieve high optical performance through the incorporation of both three Special Low Dispersion glass elements and one molded glass aspherical element.
This superior optical system effectively corrects sagittal coma flare and coma aberration. Life Through a Lens Nikon recognises that every photographer is unique, seeing the world in very different ways.
YONGNUO YN 50mm F1.8 Large Aperture AF. Auto Focus FX DX Full Frame Lens for Nikon. Support for FX and DX frame camera, can show the aperture on the EXIF information. Focal length 50mm, maximum aperture F1.8.
The Nikon AF-S Nikkor 50mm f/1.4G Lens is a standard lens with an ultra-bright f/1.4 aperture, which allows for fast, accurate shooting with available light. It is also the excellent choice for when a shallow depth of field is desired.