The Samsung portrait lens with f/1.4 ultra-fast aperture, in combination with the supersonic actuator for quick and quiet autofocusing, ensures professional quality photographs. This feature allows quick and perfect shots without disturbing the subject. The Samsung 85 mm ED SSA has features like i-Function which allows one-touch access to the camera�s manual settings, allowing adjustment of the various settings even as the user previews and prepares to click. This i-Function lens has 10 elements in eight groups which include the extra-low dispersion lens or ED lens to ensure minimum chromatic aberrations. The Samsung 85 mm ED SSA has an 18.8-degree angle of view and variable f/stops. Nine blades of the circular aperture diaphragm allow f/stops from f/1.4 down to f/22. This Samsung portrait lens achieves maximum magnifications of about 0.13x and the minimum focus distance from the subject is 2.7 feet. This Samsung i-Function lens comes with a detachable hood and uses the Samsung NX mount. The Samsung 85 mm ED SSA lens has physical specifications of a�3.1-inch diameter, 3.6-inch length, and it weighs 25.2 oz.