Zoom Lenses Spherical Cooke Cooke Cooke Cinetal 25-250mm T3.7 MKIIIT-Stop: T3.7-22Close Focus: 152 cm / 5′ 6″Length (front to PL mount flange): 300 mm / 12″Front Diameter: 121mmWeight: 4.7 kg / 10.5 lbs