Yongnuo YN50mm F/1.8 Lens Large Aperture AF Lens in Black For Canon EOS Rebel Digital Camera 1.YN50mm F1.8, it's the first prime lens produced by Yongnuo, it suports AF Auto Focus function, and MF manual Focus function. 2.A great prime lens that is an excellent addition to the EOS 18-55mm lens kits. 3.Provides much faster aperture for low light usage and has better edge to edge sharpness. 4.Also works well with cameras such as the 5D, 7D, 60D, 70D, T3, T3i, T5, T5i, plus more. 5.Auto Focus or Manual,2 Inches in Length,0.15 Magnification,46 Degree Maximum Angle of View,6 Elements in 5 Groups,Accepts 52mm Filters