It's no wonder that the Sonnar T Fe 55mm f/1.8 Za Lens is a favorite among Sony E-mount full-frame camera enthusiasts. Crafted with the legendary Carl Zeiss optics, this lens is engineered to maximize the potential of the a7 and a7R camera bodies, delivering unparalleled contrast and resolution. The advanced T coating technology pairs with a sophisticated optical design to minimize internal reflections, ensuring that your images exhibit high-contrast from the brightest highlights to the deepest blacks.The Sonnar T Fe 55mm f/1.8 Za Lens is not just about sharpness and contrast it's also about artistic expression. The large f/1.8 maximum aperture affords you the creative freedom to produce stunning bokeh effects, with a beautifully blurred background that makes your subject pop. Whether you're capturing intimate portraits or detailed close-ups, this lens gives you the versatility to switch from a shallow depth of field to an extended depth-of-field with ease.