The Schneider Kreuznach 150mm f/2.8 IF lens is our fastest telephoto lens, providing razor thin depth of field at f/2.8 and beautiful out-of-focus bokeh. Perfect for studio and location portraiture alike.
The Phase One XF Camera System is the ultimate creative companion for professional photographers looking to customize and streamline their workflow and deliver the best image quality. With a modular design that allows for a high degree of customization, integration with supporting systems and alternative camera systems, and a powerful connection with Capture One, every photographer can capture with their ideal workflow. Focused on the future, the XF Camera System and IQ digital backs are continuously updated, so that you change with technology, with the camera you already have.
The Phase One Auto Extension Rings supports all Phase One, Schneider Kreuznach and Mamiya lenses. The electronic contact set ensures auto aperture functionality on lenses which features this. When attached via an Auto Extension Ring, all lenses operate as manual focus, and are limited to manual focus and focal plane shutter use. There is practically no light intensity degradation when using the extension rings, and there are no optical dispersion since no glass elements are added with the Auto Extension Rings.