Sun Tele YS-20 200mm f/3.9 Telephoto Lens

The Sun Tele YS-20 is a vintage Japanese telephoto lens with a focal length of 200mm and a maximum aperture of f/3.9. Its long focal length makes it suitable for photographing distant subjects, portraits and wildlife.

The lens features manual focusing, an adjustable aperture ring and a built in retractable lens hood. It uses Sun's interchangeable YS mount system, which is related to the T-mount but can also provide a mechanical aperture coupling. Check the exact mount on this example to confirm compatibility with your camera.

Serial number: 702260

An interesting vintage telephoto lens for enthusiasts of manual photography and classic Japanese optics.