-Sensor Size: 24×36 mm Full Frame -Focal length: 37mm -Aperture: 1:2.8 -Minimum Focusing Distance: 0.7 metters -Focus ring rotates 270 degrees -Viewing angle: 60 degrees -Diaphragm scale: from 2.8 to 16 -Quantity of petals of a diaphragm: 8 -Inside: 6 glasses in 5 groups -Modul Focus & Iris gears: 0.8 -Weight: 400 gramm