Soviet-made 50mm, f/1.5 lens. - Model: 50mm - Aperture: f/1.5 Thank you for viewing. This is a rare Soviet-made lens, the Jupiter-3 50mm f/1.5. There are scratches and some spots of mold due to age and use, but they are within a range that does not affect photography. The rings move. There is no oil on the aperture blades, and they move smoothly. Please note that no claims or returns are accepted after purchase.