The Cooke 18-100MM T3.0 Zoom lens is established as the industry’s standard zoom lens. Basic focal length range 18-100 Maximum T stop T3.0 Minimum T stop T22 Focusing range (measured from film plane) 0.7m (2.3 feet) to infinity.
Maximum format covered 22.05 x 16.03mm (27.2mm diagonal) Horizontal angle of view over maximum format 63 to 12 degrees Minimum object width at minimum object distance and maximum focal length 92mm Clear aperture front glass 120mm Operational temperature range -25 to +55 degrees C Maximum front diameter 150mm Overall length from front of lens to lens mount 320mm (12.6 inches) Total weight including control rings, etc. 5.5kg (12 lbs)
COOK ZOOM LENSES