Helios 44M-4 58mm f/2 (M42) — classic russian portrait lens based on the Biotar optical formula. Delivers the famous swirly bokeh, punchy contrast and vintage character; sharp when stopped down.

Great for portraits, street style and creative video.

• Mount: M42 screw (easy to adapt to Sony/Fuji/Canon RF/Nikon Z/µ4⁄3).

• Focus / aperture: ~0.5 m close focus; click-stops; typically 6-blade iris with A/M switch.

• Filter: 52 mm.

• Condition: used; rings turn, aperture changes; cosmetics as shown. Optical/functional details per photos—sold as-is.