At first glance the Sony SAL-50F18 50mm f/1.8 DT Autofocus Lens looks like a standard prime lens, but being a DT lens designed to cover Sony APS-C sized chips, it should correctly be perceived as a short telephoto lens. Its cost, design, and overall size all lead the tyro to comfortably accessorize their kit lens, and begin developing a library of optics for their camera.