Helios 44M-4 58mm f/2 M42 Lens - Good Condition | Legendary Swirly Bokeh and Character The Helios 44M-4 is more than just a lens; it is a gateway to a unique aesthetic that modern glass often lacks. Based on the legendary Zeiss Biotar formula, this 58mm prime is world-renowned for its "swirly" background bokeh and its ability to produce soft, dreamlike flares. This specific unit, with serial number 87406101, was manufactured in 1987, a period known for refined mechanical construction and improved multi-coating compared to earlier versions. Whether used on a vintage film body or adapted to a modern mirrorless system, this lens provides a distinctive cinematic look that makes every portrait stand out. Key Features Distinctive Swirly Bokeh: Creates a circular background blur at wide apertures that naturally draws the viewer's eye to your subject. Fast f/2 Maximum Aperture: Ideal for low-light photography and achieving a shallow depth of field with smooth transitions. M42 Universal Screw Mount: Highly versatile and easily adapted to almost any modern digital camera system, including Sony E, Fujifilm X, and Canon RF. Six-Element Optical Design: Based on the classic Biotar 75mm formula, offering a perfect balance of center sharpness and artistic edge fall-off. Rugged All-Metal Build: Constructed to endure, featuring tactile manual focus and aperture rings that provide a truly mechanical shooting experience. Condition Report Body: Good condition. The barrel shows minor paint wear consistent with its age, with no significant dents or deep scratches. Sensor / Optics: The glass is clean and clear. No fungus or heavy haze is present. As is common with vintage Soviet lenses, some internal micro-dust may be visible under harsh light, which does not affect image quality. Mechanics / Electronics: The focus ring rotates smoothly across the entire range. The aperture blades are clean, oil-free, and snap briskly. Shutter Count: Not applicable (Manual lens). "The Helios 44M-4 is the 'soul' of vintage glass. It doesn't just capture a scene; it interprets it with a swirl and a glow that you simply cannot replicate in post-production. It’s a must-have for any creative kit." What's Included Helios 44M-4 58mm f/2 Lens (Serial No. 87406101) Front Lens Cap Technical Specifications Category: Prime Lens Lens Mount: M42 Screw Mount Focal Length: 58mm Aperture Range: f/2 to f/16 Diaphragm Blades: 6 Filter Thread: 52mm Minimum Focus Distance: 0.5m