A very nicely preserved Vivitar 75-260mm f4.5 Tele-Zoom lens. Has internal zoom feature, focus is smooth, aperture blades are dry responding nicely. Great glass, clean, clear, no signs of fungus, a few dust specks, no scratches. Has built-in lens hood and tripod mounting collar. Lens accepts Vivitar T4 adapters and will come with a hard to find Exakta T4 mount.