nikon 50mm f/1.8g af-s fx nikkor lens digital slr cameras bundle with photo and video professional editing suite, cleaning kit for dslr cameras, 58mm filter kit and accessories (8 items) nikon fast f/1.8, compact fx-format prime (fixed focal length) lensoptimized for fx-format d-slr cameras but equally at home on any nikon dx-format d-slr, this updated classic with a fast maximum aperture is ideal for everyday shooting, perfect in low lighting situations and great for producing images with beautiful background blur (bokeh). the af-s 50mm f/1.8g includes silent wave motor technology (swm) for fast and precise autofocus, m/a focus mode switch for seamless changes between manual and autofocus operation and an aspherical lens element for outstanding optical performance with high contrast. nikon silent wave motora significant innovation in af lens technology, nikon's silent wave motor uses ultrasonic (inaudible) vibrations - rather than a gear system - to focus the lens, providing incredibly smooth, silent and precise autofocus operation. m/a focus mode switchwhen fine manual focusing is needed, simply rotate the lens focus ring - m/a mode allows you to seamlessly override the af system with virtually no time lag. aspherical lens elementsince the 1960s, aspherical lenses have been an important part of the nikkor lens family. virtually eliminating coma and other types of aberration, every new addition to the lineup provides a new level of contrast, resolution and compact design. super integrated coatingnikon's super integrated coating enhances light transmission efficiency and offers superior color consistency and reduced lens flare. technical specifications mount type ...