Front Lens Cap Cover for Russian Helios 44-2 58mm F2.0 - 44-2 in M42 Fit Screw
It will not fit Helios 44-3, Helios 44M or Helios 44K. Give your beloved Helios 44-2 58mm the care it deserves. This high-quality, screw-on front lens cap is specifically designed to fit your legendary M42-mount Helios 44-2 58mm lens.