Canon FD 35-70 mm F/4 MF Zoom LensS/N:17218747900 Distance scale: (m) 0.5 (35mm at 0.5m, 0.08X magnification) (70mm at 0.15); 10 OO (ft) 2 - 30.OO Focusing mechanism: Rotation of front lens group Zooming: Rotation of zooming ring; Minimum aperture: f/22 . A Diaphragm: Automatic; Filter size: 52mm; Hood: W-62 Length x max. diameter: 85.5mm x 68mm; Weight: 315g