TAMRON 35-80mm F/2.8-3.5 QZ-35M Standard Micro Zoom A bright F2.8 zoom lens with a wide range and a high 1:2 macro magnification. A small, lightweight, all-around, everyday lens that can be left on the camera. Close-up magnification: 1:2-1:10 Specifications Model Name: QZ-35M Mount: Adaptall Focal Length: 35-80mm Maximum Aperture: F2.8-3.5 Lens Construction: 13 groups, 13 elements Minimum Aperture: 22 Minimum Focusing Distance: 1.3m Filter Diameter: 62mm Zoom Method: Straight Weight: 520g Maximum Diameter x Overall Length: 66.5mm x 80.5mm Price: ¥62,000 Release Date: 1978 Production End: 1980 (estimated) *The weight and maximum diameter x overall length are for the Nikon mount. There is some mold on the front group, near the middle lens, but no severe clouding is observed. The focus, zoom, and aperture ring operations are all working fine. A MINOLTA, SR MD mount Adaptall 2 is included. By replacing the Adaptall with another mount, it can be used with cameras of various mounts. For protection, the original front cap, a rear cap from another brand, and a Kenko MC 1B filter are included. Focal Length (Wide Angle)...19-70mm Focal Length (Telephoto)...25-28mm Maximum Aperture...2.1-2.8