Old Lens: Helios 44-3 Enjoy the swirly bokeh. Sample images are included. M42 mount. ■ Condition No mold or haze, and the exterior is in beautiful condition for an old lens. The aperture and focus operate smoothly. Stored in a dry box in a non-smoking, pet-free environment. ■ Accessories Front cap, rear cap The MC Гелиос 44-3 lens has a focal length of 58mm and an aperture of f/2.0. - Model Name: MC Гелиос 44-3 - Focal Length: 58mm - Maximum Aperture: f/2.0 - Mount Type: M42 - Filter Diameter: 49mm Thank you for viewing.