The Nikon Zoom-Nikkor 50-135mm f/3.5 is a versatile manual-focus zoom lens with a constant maximum aperture of f/3.5 throughout its zoom range. Covering short to medium telephoto focal lengths, it is suitable for portraits, documentary photography and a variety of distant subjects. Its Nikon F mount makes it compatible with Nikon cameras that support this lens type. An interesting classic lens for enthusiasts of manual photography. Serial number 812304.