The Laowa 105mm f/2 Smooth Trans Focus (STF) Lens is a short telephoto prime engineered for full-frame Canon EF-mount DSLR cameras. This distinctive lens features a unique optical design incorporating an apodization (APD) element that works in concert with dual diaphragms (8- and 14-blade) to deliver exceptional control over bokeh, exposure, and depth of field. The APD element functions like a radially graduated ND filter, softening and diffusing out-of-focus areas for creamy, natural bokeh whilst maintaining the depth of field characteristics of a true f/2 design. With 11 elements in 8 groups including three low dispersion elements and one high refractive index element, this manual focus lens delivers exceptional sharpness and minimal chromatic aberration. The metal construction ensures durability for professional and enthusiast photographers seeking precision bokeh control and selective focus capabilities.