Full Frame/VV T1.9 to T22 Aperture 18, 24, 35, 50, 85, and 105mm Primes Aspherical Element, Reduced Aberrations 0.8 MOD Gears, 300° Focus Rotation Cooke /i Technology Metadata 80mm Front Outside Diameter Compact, Lightweight Design Less Reflective, More Tactile Surface Color Matched, Common Gearing and Length Minimal Breathing and Distortion