Model：AF 85mm F1.8 Aperture：F1.8-F16 Lens Size：72mm*96mm Aperture Ring：Auto/Manual aperture Focal Length：85mm Support Mount：Z Weight (excluding front and rear cowers)：437.5g Field of View： D:28.5°H: 24° V:16.1° Optical Structure：7 groups, 10 elements Diaphragm Blades：11pcs Closest Focus：0.8M-∞ Distance Lens Material：Metal Focus Method：Auto Focus Filter Size：φ62mm*M0.75