OverviewA portable normal-length prime for Sony E cameras, the 50mm f/1.4 Lens from TTArtisan blends its versatile normal focal length with a fast f/1.4 maximum aperture. This bright design offers impressive control over depth of field, for isolating subject matter as well as for enhanced low-light performance. The lens features one ED element and one aspherical element for clear and accurate rendering, with multicoated surfaces to prevent lens flare. This 50mm f/1.4 has a manual focus design capable of focusing as close as 19.7" away and a 12-blade diaphragm that contributes to a smooth bokeh quality. Normal-length prime lens is designed for full-frame format Sony E mirrorless cameras and offers a 80mm equivalent focal length when used on APS-C-format bodies Bright f/1.4 maximum aperture excels in low-light conditions and also affords increased control over depth of field Manual focus design permits working with subjects as close as 19.7" away 12-blade diaphragm contributes to a pleasing bokeh quality Key Features R-Mount Lens/Full-Frame Format Aperture Range: f/1.4 to f/16 10 Elements in 8 Groups One ED Element, One Aspherical Element Multicoated Elements Minimum Focus Distance: 19.7" Manual Focus 12-Blade Diaphragm Filter Size: 49mm In the Box TTArtisan 50mm f/1.4 Manual Focus Lens for Sony E Front Lens Cap Rear Lens Cap