Functionality: the external condition is close to new, ideal. The lens is fully functional - the objective lenses are clean, focusing and aperture operation is smooth and easy. No scratches or dust were found inside. Rare year 1963. Insignificantly few Jupiters -8 were produced this year. Jupiter-8 is an interesting lens with an amazing picture. TX Jupiter-8 2/50 Focal length: 50 Aperture: F/2.0-F/22.0 Number of aperture blades: 9 pieces Weight: 130 g Optical design: 6 elements in 3 groups Thread: M39 (rangefinder lens) Front filter diameter: 40mm MDF: 1 meter The focusing of the lens is smooth. The focusing ring rotates 180 degrees, the front lens does not rotate when focusing, as calculated by the manufacturer. The lens itself is very small. Its white shiny metal frame looks very unusual on modern digital cameras. There is a modification of the lens in a black frame, as well as a modification with a Kontaks-Kyiv mount. The diaphragm has 9 blades. The aperture control ring rotates smoothly, without stopping at fixed values. At closed aperture values, the lens produces almost even circles in the out-of-focus zone. The lens has amazing bokeh. At F/2.0 there is weak sharpness and strong aberrations, this allows you to convey extraordinary volume, style and artistic content in your photographs. Your package will be very securely packaged and shipped from anywhere in the world, depending on where I am at the time.